The original proposal for the World Wide Web, written by Tim Berners-Lee in 1989, is an important piece of internet history. It also can't be opened on modern computers. John Graham-Cumming, a British ...

Kindle devices appeal to many people. When everything works, they're great. But Amazon is becoming more and more finicky, both in terms of supported formats and the freedom to manage your own books.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Kindles used to only ...