On World Tech Update this week, Facebook eyes an IPO, HP plans to give up its spot as top PC producer, far fewer are yearning for Windows 8 tablets, Zynga lets you build and run a zoo, a little gadget prints you reminders, and NASA lifts off to explore Mars.

To comment on this article and other PCWorld content, visit our Facebook page or our Twitter feed.
Shop Tech Products at Amazon
Notice to our Readers
We're now using social media to take your comments and feedback. Learn more about this here.