Tech Trends Articles

History of World Backup Day

By billpetro / March 31, 2026 /

Reading Time: 4 minutesHISTORY OF WORLD BACKUP DAY There isn’t much history behind it, as the first celebration of this geek holiday was in 2011. World Backup Day is a decade and a half old. It started when a Reddit user wrote about losing their hard drive and wished someone had reminded them how important backups are. Ismail…

History of Macintosh: a 42-Year Love Affair

By billpetro / January 23, 2026 /

Reading Time: 6 minutesHow 40 years ago the Apple Macintosh iconic personal computer forever changed how we think about computing.

History of Hedy Lamarr: Movie Star and Technology Inventor

By billpetro / November 9, 2025 /

Reading Time: 3 minutesHedy Lamarr, the Austrian-American actress and Hollywood legend known as “the most beautiful woman in the world,” is remembered today, November 9, on the anniversary of her birthday for her pioneering work on the technology that would become the basis for today’s WiFi, GPS, and Bluetooth communications systems.

Information Reformation: How the Web Was Like the Reformation

By billpetro / November 3, 2025 /

Reading Time: 3 minutesInformation Reformation: 5 Ways Martin Luther and the Gutenberg movable type printing press presaged the Internet explosion of information.

History of the Internet: Over 50 Years Ago

By billpetro / October 28, 2025 /

Reading Time: 7 minutesHISTORY OF THE INTERNET: OVER 50 YEARS AGO On October 29, 1969, at 10:30 PM, a computer grad student at UCLA named Charley Kline sent a message to SRI. (Stanford Research Institute.) It was the first connection between computer networks. The Internet began!   We set up a telephone connection between us and the guys…

History of the IBM PC: 44 Years Ago – Why It Was So Important

By billpetro / August 12, 2025 /

Reading Time: 5 minutesHISTORY OF THE IBM PC: 44 YEARS AGO 44 years ago this week, the IBM PC was released. On August 12, 1981, IBM announced its first “personal computer,” though it had previously been renowned for its IBM System/370 mainframe computer. I operated one of these mainframes in a raised-floor data center back in the early…

Obsidian and AI: Using OpenAI on your PKM

By billpetro / April 16, 2024 /

Reading Time: 4 minutesOBSIDIAN AND AI Imagine using OpenAI to summarize a note’s content in your Personal Knowledge Management (PMK) System. It is possible, if you build your PKM using Obsidian! What would it be like to summarize the content of that note? Better yet, what if you could chat with the AI about the content? You can do…

History of Gmail: 20 Years Ago

By billpetro / April 1, 2024 /

Reading Time: 5 minutesHISTORY OF GMAIL Twenty years ago, on April 1, 2004, Google released Gmail to limited beta testing for only 1,000 users outside Google. Here’s the original press release. A few months later, I got an invitation to the beta, which was not opened to the general public until 2007. What follows is the story of…

History of Waltz Day: 123,123

By billpetro / December 31, 2023 /

Reading Time: 2 minutesHISTORY OF WALTZ DAY: 123, 123 December 31, 2023, or 12/31/23, is Waltz Day. A day like this is unique, occurring only once a century. For many, this will be the only time in their life they see this kind of date.   Waltz Day? Though it has nothing to do with the annual National…

Six Blades – When Five Just Aren’t Enough

By billpetro / November 20, 2023 /

Reading Time: < 1 minuteSIX BLADES Today, while I was at the pharmacy waiting for a script to be filled, I thought I’d wander down the Shave Needs aisle and see the latest.   Five Blades Years ago, scientists realized that a single blade was not enough for a clean shave and added a second, and then a third,…

Thinking About: AI in Big Tech Earning Reports: the Race is On

By billpetro / May 11, 2023 /

Reading Time: 3 minutesAI in Big Tech Earning Reports: the Race is On The hottest tech topic of late has been Artificial Intelligence. You can’t read a news article on tech that doesn’t discuss AI. For example: Two weeks ago, the Big Tech companies reported their financial results: Microsoft, Alphabet (Google), Meta (Facebook), and Apple reported strong sales.  …

History of Apple Lisa, part 2: Meet Its Creators

By billpetro / February 2, 2023 /

Reading Time: 6 minutesHISTORY OF APPLE LISA, PART 2: MEET ITS CREATORS This week at the Computer History Museum’s “Happy 40th Birthday Lisa” event, Katie Hafner, former Computerworld writer, interviewed several of the creators of the Apple Lisa. Many more of the original development team were in the audience. This article follows my previous article on the History…