Google Glass (or simple 'Glass') is coming soon. It's essentially a smartphone in a pair of [ugly] spectacles. Google founder Sergei Brin said that using a smartphone is emasculating and that Glass is the solution. I'm not sure how wearing glasses is more manly but whatever.
While tech fans are loving it, critics are pointing out that the success of the product when it's eventually launched all depends not on the user but on the people around the user. In other words, if Glass isn't accepted as 'cool' by society, then it just won't take off. (I imagine that Glass wearers will be seen as just plain rude and that may put them off it more than anything.)
What it's like to wear Glass: