Tuesday 25 April 2023

WhatsApp Channels for Broadcasting Information Reportedly in Development: Details




WhatsApp Channels, a feature that will let users broadcast information to several users on the app, is reportedly in development. The company, which recently announced the rollout of a feature allowing users to "keep" disappearing messages, could soon introduce read-only channels that will allow users to post updates that other users can subscribe to. Unlike regular chats on WhatsApp, these channels might not be protected by end-to-end encryption, while users' membership of channels is expected to remain private, according to a report.

Information gleaned by WhatsApp feature tracker WABetaInfo from the latest beta version of WhatsApp for iOS (Testflight version 23.8.0) shows that the Meta-owned messaging service plans to update the Status tab with a new Channels section. This section will allow users to discover new channels via a Find Channels button. WhatsApp Channels will not show participants' personal information such as their names or phone numbers, according to the feature tracker.

It is worth noting that WhatsApp rival Telegram already offers a similar channel feature that allows users to subscribe to these broadcast-only groups allowing information or updates to be disseminated to subscribers. Users receive notifications for new messages posted in channels, which function like read-only groups.

WABetaInfo claims that users will have to manually subscribe to these channels on WhatsApp using the channel name or its handle, and there will be no algorithmic recommendations or social graph that suggests new channels for users.

Unlike many other features that can currently be tested by users on the beta channel of WhatsApp for iOS or Android, channels are still in in development, according to the feature tracker. This suggests that users will have to wait for a while before they can create new channels or subscribe to them.

WhatsApp channels are expected to arrive on upcoming beta versions of the app before making their way to all users on the stable release channel. There's no word on whether this feature will also be available on the desktop app for WhatsApp on Windows or Mac computers.

Last week, WhatsApp announced the rollout of a 'Keep in Chat' feature that allows users to save messages in disappearing messages chats. However, as a privacy safeguard, the sender of a message will be notified when a user saves a specific chat, and they can choose to prevent any user from "keeping" a message.

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Monday 24 April 2023

Digital Computing System









A digital computer is machine that stores data in a numerical format and performs operations on that data using mathematical manipulation. This type of computer typically includes some sort of device to store information, some method for input and output of data, and components that allow mathematical operations to be performed on stored data. Digital computers are almost always electronic but do not necessarily need to be so.

There are two main methods of modeling the world with a computing machine. Analog computers use some physical phenomenon, such as electrical voltage, to model a different phenomenon, and perform operations by directly modifying the stored data. A digital computer, however, stores all data as numbers and performs operations on that data arithmetically. Most computers use binary numbers to store data, as the ones and zeros that make up these numbers are easily represented with simple on-off electrical states.

Computers based on analog principles have advantages in some specialized areas, such as their ability to continuously model an equation. A digital computer, however, has the advantage of being easily programmable. This means that they can process many different sets of instructions without being physically reconfigured.






The earliest digital computers date back to the 19th century. An early example is the analytical engine theorized by Charles Babbage. This machine would have stored and processed data mechanically. That data, however, would not have been stored mechanically but rather as a series of digits represented by discrete physical states. This computer would have been programmable, a first in computing.

Digital computing came into widespread use during the 20th century. The pressures of war led to great advances in the field, and electronic computers emerged from the Second World War. This sort of digital computer generally used arrays of vacuum tubes to store information for active use in computation. Paper or punch cards were used for longer-term storage. Keyboard input and monitors emerged later in the century.

In the early 21st century, computers rely on integrated circuits rather than vacuum tubes. They still employ active memory, long-term storage, and central processing units. Input and output devices have multiplied greatly but still serve the same basic functions.

In 2011, computers are beginning to push the limits of conventional circuitry. Circuit pathways in a digital computer can now be printed so close together that effects like electron tunneling must be taken into consideration. Work on digital optical computers, which process and store data using light and lenses, may help in overcoming this limitation.


Nanotechnology may lead to a whole new variety of mechanical computing. Data might be stored and processed digitally at the level of single molecules or small groups of molecules. An astonishing number of molecular computing elements would fit into a comparatively tiny space. This could greatly increase the speed and power of digital computers.

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Friday 21 April 2023

Web Developer vs. Software Engineer

 

   Web Developer vs. Software Engineer:                       What's the Difference?


What is a web developer?

In simplest terms, web developers build and maintain websites, web pages, and web applications. With the evolution of the web, however, the parameters of the job have radically expanded over the past decade, meaning that web developers may have to learn all kinds of new skills (such as blockchain).

Web development remains a lucrative profession. According to Lightcast (formerly Emsi Burning Glass), which collects and analyzes millions of job postings from across the country, the median salary for web developers currently stands at $91,991. As you might expect, the profession is projected to grow 8.4 percent over the next 10 years, and current time needed to fill an open position stands at 40 days (which is relatively high for tech professions).

As with many other technology professional roles, web developers must boast a mix of “hard skills” (HTML/CSS, frameworks, etc.) and “soft skills” (empathy and communication), as they need to frequently secure buy-in from others throughout their organization. Ideal web developer resumes show how web developers have used all of their skills to move organizations’ web strategies forward.

What do you need to become a web developer?

While a formal education in web development certainly can’t hurt, many web developers are self-taught. The key is to build out a resume, portfolio, and online profiles that show off your web development projects in the best possible light; if you have that, you have a better chance of connecting with a hiring manager and/or recruiter (or a client, if you’re going the freelancing route). Racking up formal certifications can likewise help prove you have the necessary skills, although they’re not essential if you want to land a web developer position.

What is a software engineer?

Software engineers are often tasked with determining how to design and implement entire systems (whether that’s an app, a service, or something else involving software). Software engineers must not only understand the technical aspects of software—the best ones also have significant project management skills. (This stands in contrast to software developers, who are usually more focused on the technical implementation of software products.)

Lightcast places the median salary for a software engineer at $98,783 per year; Glassdoor, which likewise crowdsources salary data, puts the average software engineer salary at $90,321. According to levels.fyi, which crowdsources compensation data from technologists nationwide, adding cutting-edge specializations such as machine learning can boost software engineering salaries even higher—beyond $200,000 in many cases. Other in-demand skills for software engineers include  GitHub, Amazon Web Services (AWS), the principles of test-driven development (TDD), JavaScript Object Notation (JSON), TypeScript, jQuery, and PostgreSQL.

What do you need to become a software engineer?

There are multiple tracks to becoming a software engineer. Many start out as software developers (with a much more tactical focus on coding software) before learning the project management skills that can allow them to move into a full-on software engineering role. As you can see from this software engineer resume template, the trick is to show that you have the necessary skills—and that you’ve used those skills to help previous employers successfully accomplish their most critical projects.

What’s the difference between a web developer and software engineer?

Web developers exclusively focus on web-based products, while software engineers necessarily work on all kinds of software projects, from the web to augmented reality (AR). While there is some potential overlap—many software projects are also web-focused—software engineering is generally much broader and more strategic than web development.

It’s also a matter of skills. Web developers can keep their skill set focused on what they need to build apps and services for the web, including HTML/CSS, JavaScript, and so on. Depending on their specialization, software engineers may need to master a much broader set of programming languages, frameworks, and tools.

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Saturday 8 April 2023

4 Mind-Boggling Technology Advances In Store For 2023

 


1) artificial intelligence, 

2) computing technologies, 

3) robotics, and 

4) materials science.


Artificial Intelligence (AI)



Since the HAL 2000 computer and producer Stanley Kubrick provided a glimpse of AI’s independent (although nefarious) capability to independently think in the epic movie, 2001 A Space Odyssey, we have been eagerly waiting for the emergence of artificial intelligence. AI is no longer a topic only found in science fiction movies, we are now on the cusp of AI emergence. Elements that AI emergence consist of machine learning, and natural language processing that are now a daily part of our lives. Today, AI can understand, diagnose, and solve problems from both structured and unstructured data — and in some cases without being specifically programmed.




The focus and challenges of artificial intelligence are clear cut. AI systems seek to replicate human traits and computational capabilities in a machine, and surpass human limitations and speed. It is already happening. Artificial synapses that mimic the human brain will likely direct the next generation of computing. The components may differ, it may be analog or digital, and it may be based on transistors, chemicals, biological, photonics, or possibly quantum components.


Computers with AI have been predominantly designed for automation activities that include memory emulation, speech recognition, learning, planning, and problem solving. AI technologies can provide for more efficient decision making by prioritizing and acting on data, especially across larger networks with many users and variables. In the very near future, AI is going to change how we do business, how we plan, and how we design. You can see it now. AI already is a catalyst for driving fundamental changes in many industries such as customer service, marketing, banking, healthcare, business accounting, public safety, retail, education, and public transport.

Recently, a chat box called OpenGPT has brought attention to the potential of AI and its human-like correlations, especially when expressing itself in written analysis. DALL-E, another OpenAI application, has shown the ability to that could create images from basic instructions. Both AI tools do so by mimicking human speech patterns and language and then synthesize the data. A good overview of OpenGPT can be found in the recent FORBES article by Arianna Johnson: Here’s What To Know About OpenAI’s ChatGPT—What It’s Disrupting And How To Use It (forbes.com)

Last year, Google’s DeepMind AI division built machines that can predict millions of protein structures, a great benefit to science and health research. In a new breakthrough, DeepMind researchers have created an AI that can now write code as well as humans. The notion of AI writing its own code, creating its own languages is both intriguing and potentially alarming. AI is not quite sentient but may be on track to be. DeepMind Builds AI That Codes as Well as the Average Human Programmer - ExtremeTech

Another very exciting area of a potential breakthrough for AI is around Human/computer interface that will extend human brain capacity and memory. Science is already making great advances in brain/computer interface. This may include neuromorphic chips and brain mapping. Brain-computer interfaces are formed via emerging assistive devices that have implantable sensors that record electrical signals in the brain and use those signals to drive external devices.




A brain -computer interface has been shown to even be able to read thoughts. This is done where an electrode plate called an ECOG is put in direct contact with the brain’s surface to measure electrical activity. Paralyzed humans via ECOG can now communicate with others via their thoughts being translated into text, according to Dr. Brian Brown (professor, Icahn School of Medicine at Mount Sinai). Can Technology Make Humans 'Super'? - Innovation & Tech Today (innotechtoday.com)

A Frontiers in Science publication involving the collaboration of academia, institutes, and scientists summed up the promise of the human computer interface, They concluded that “We can imagine the possibilities of what may come next with the human brain machine interface. A human B/CI system mediated by neural nanorobotics could empower individuals with instantaneous access to all cumulative human knowledge available in the cloud and significantly improve human learning capacities and intelligence. Further, it might transition totally immersive virtual and augmented realities to unprecedented levels, allowing for more meaningful experiences and fuller/richer expression for, and between, users. These enhancements may assist humanity to adapt emergent artificial intelligence systems as human-augmentation technologies, facilitating the mitigation of new challenges to the human species.” Frontiers | Human Brain/Cloud Interface.

And recently, A team of Stanford scientists tested a new brain-computer interface (BCI) that they say can decode speech at up to 62 words per minute, improving the previous record by 3.4 times. Scientists Say New Brain-Computer Interface Lets Users Transmit 62 Words Per Minute.

And with the emergence of all technologies comes the fusion of how they might work together. Artificial intelligence is no doubt one of the primary catalysts involved in enhancing capabilities, especially in computing. For more on this topic of fusion, please see my FORBES article: The New Techno-Fusion: The Merging Of Technologies Impacting Our Future The New Techno-Fusion: The Merging Of Technologies Impacting Our Future .

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