Category Business

Why Perplexity AI calls itself an “answer engine”

Perplexity AI was founded in August 2022 by Aravind Srinivas, Denis Yarats, Johnny Ho, and Andy Konwinski. It reached a $20 billion valuation by September 2025 following significant funding rounds, maintaining this figure into early 2026. Unlike traditional search engines…

Understanding blockchain: the technology behind trust

Blockchain technology is a decentralized, distributed ledger system that records transactions across many computers. Each “block” in the chain contains a list of transactions, and once a block is validated via network consensus and completed, it’s added to the chain, creating an…

How Azure DevOps powers modern software teams

Azure DevOps is a suite of development tools from Microsoft that helps teams plan, build, test, and deploy software efficiently. The name combines “Azure,” Microsoft’s cloud computing platform (named after the “azure” blue sky symbolizing limitless cloud potential), and “DevOps,”…

Why 40 days? The story behind “quarantine”

The word quarantine comes from the Italian quaranta giorni, meaning “forty days.” During the 14th century, ships arriving in ports like Venice from plague-affected regions were required to anchor offshore for 40 days before passengers could disembark. This practice, formalized…

Computer Vision: How machines watch, learn, and recognize

Computer vision is a branch of artificial intelligence that enables computers to “see” and understand images and videos—much like humans do. But instead of eyes and a brain, computers use cameras, data, and algorithms.’ Computers don’t “see” colors or shapes;…

What is an algorithm, how does it work?

An algorithm is a set of well-defined instructions to solve a problem or perform a task. The name comes from Muḥammad ibn Musa al-Khwarizmi, a Persian mathematician, whose name was Latinized as Algoritmi. His work on Hindu-Arabic numerals was translated…