It's a wonderfully minimalist app, if that's your thing, and you can open multiple windows (currently through a keyboard shortcut) to get some of that TweetDeck-style power user layout.

ENGADGET: Tweetbot for Mac arrives as free alpha, we give a quick hands-on

As for its hard key layout, all of those buttons (volume, power and dedicated camera key) reside on the right, with nothing but a 3.5mm headphone jack up top and microUSB port at its base.

ENGADGET: Nokia Lumia 720 preview: a slim and 'trendy' Windows Phone 8 handset for the social networking set (update: video)

The virtual reconstruction of Implenia's data center pulled information about the layout of servers and storage, the devices' temperatures, power consumption and data processing over the Internet to IBM's servers, where they were built into a 3-D virtual world model.

FORBES: Breakthroughs