Not all emails are what they seem. Many messages come with embedded code designed to tell the sender when (and even where) you open them up. It’s a trick often used by marketing companies to work out if you’re actually paying any attention to them, but there are ways of spotting this kind of email tracking.
The internet just marked another major milestone. The first website, Tim Berners-Lee’s description of the World Wide Web project, went public 25 years ago on August 6th, 1991. The launch was unceremonious — Berners-Lee announced the project on a Usenet group, and it wasn’t until after August 23rd that new users visited the site. However, the launch effectively marked the start of the web as a widely available tool.
Internet connections get faster but websites get more complex—and that means we often still have to wait an age for pages to load. Now, a new technique from MIT that helps browsers gather files more efficiently could change that.