Ever thought of powering your devices through your own sweat? How about solid objects that are invisible to the eye? Or possibly even waterproofing your entire outfit? Well great news now you can do all of that, how you say? One word, nanotechnology.

What makes the Wrap this week? Universities have the chance to show their best side on LinkedIn, Ben Affleck makes some people's shortlist to replace Steve Ballmer at Microsoft, and there's some movie trailer goodness, Lego styles.

While some companies like to rebrand every few years, it's been 25 since Microsoft had a shakeup. And what with the impending Surface tablet and Windows 8, 2012 seemed as good a year as any to do so.