History of the failed iOS and Android OS rivals
Most tech-savvy people today would agree that there’s only two serious horses in the smartphone OS race right now: Android and iOS. Things weren’t always like this, however – ever since the first iPhone came out, the market has been in an almost constant state of flux, with new challengers appearing regularly, despite the failures of those before them.

Lenovo Yoga Book PREVIEW: the notepad from the future
The Yoga Book is Lenovo's attempt to reinvent the tablet. It's a notebook-style device with touch-sensitive keyboard and advanced note-taking capabilities. For all of its technological prowess, however, the Yoga Book doesn't seem to have the features and scope to be something more than a very niche invention...
