I've seen this posed as Twitter vs. Hoverboard, without denigrating the Twitter side. http://www.danshapiro.com/blog/2011/07/a-twitter-a-hoverboard-or-somethin

I've seen this posed as Twitter vs. Hoverboard, without denigrating the Twitter side. http://www.danshapiro.com/blog/2011/07/a-twitter-a-hoverboard-or-something-in-between/ http://www.danshapiro.com/blog/2011/07/a-twitter-a-hoverboar...