Older people are using brain-building software ...

Speculative fiction is the literature of change and discovery. But every now and then, a book comes along that changes the rules of science fiction for everybody. Certain great books inspire scores of authors to create something new. Here are 21 of the most influential science fiction and fantasy books.

Web hosting has come a long way since the days of uploading a few static HTML pages, some images and perhaps a few extras like a gallery or discussion board. Today's web hosts need to offer databases, automation, blogging platforms and a bunch more. When you're ready to take your data into your own hands and run your own website you need to find a good web host that can make life as easy as possible for you. Thankfully, there are dozens of great companies looking for your business. Today, we're looking at five of the best.