For people complaining it's big, the guy on reddit's futurology subreddit who helped design it said it was just the first step, it will shrink in size and grow in features.

http://www.reddit.com/r/Futurology/comments/1ohqpl/this_is_t...

He also said it's just temporary, for 3 months.

http://www.reddit.com/r/Futurology/comments/1ohqpl/this_is_t...