Projections suggest online food delivery market should grow to $22 billion by 2025.

Developers grappling with labour shortage and getting construction material to sites could be among a list of problems.

Here are seven jargons you may often come across when discussing the Covid-19 pandemic that Devangshu Datta makes sense of.

'In India, there's currently evidence the Centre has not managed a smooth vaccine rollout.' 'It is now falling back on blaming states, which are facing vaccine shortages,' points out Devangshu Datta.

The costs of providing free vaccines are way lower than the costs of a freewheeling epidemic.

Welcome to Non-Fungible Tokens (NFT) - digital constructs authenticated using an abstract mathematical application. An NFT is a unique token added to some digital construct and registered on a blockchain with details of ownership. The construct itself might be free (it often is) but the NFT along with the construct is worth "more". The NFT market didn't exist until 2017 when "cryptokitties", or virtual cats, became available with NFTs. The market is now worth around $350 million. Speculators believe it is likely to be worth much more in future.

Given the dimensions, it is bound to have at least ripple effects across markets. Could ripple turn into cascade? asks Devangshu Datta.

Indians supposedly have the right to freedom, and the right to equality, which cuts across gender, religion, sexual orientation, etc, observes Devangshu Datta.

Use a "virtual credit card" for every online transaction when you can't pay cash on delivery.

Investors, including large corporations, view them as a potential hedge against uncertainty, and mainstream investment banks too are jumping into the game.

For one, triangles are involved.

What engineering problems make it hard to use 17th century physics to move lots of people quickly across serious distances? Devangshu Datta has the answers.

The US is a wonderful example of how a political party with minority support can cling to power for decade, notes Devangshu Datta.

Science is a young person's game. An award to a young scientist could free up that person to do productive work, or help win more grants by enhancing reputation, argues Devangshu Datta.

Apart from physical access to handsets, metadata and backups are two common ways in which private communications can be broken.

'Given all the linkages, the monthly registration data for new vehicles, may well be the single most accurate indicator of India's economic health,' points out Devangshu Datta.

Every word spoken by "Alexa Bachchan" is computer-generated, not a recording.

When it comes to Mr Portnoy, it is hard to claim that his trading patterns are any more logical than his fictional namesake's methods of entertaining himself, notes Devangshu Datta.

The financial sector has been deeply troubled since 2013. It is now in a full-blown crisis, warns Devangshu Datta.

The potted history of the browser wars indicates how much the online space has altered in the last 25 years. Chrome's dominance, says Devangshu Datta, is unlikely to last forever.