We've known for a while that Samsung's Galaxy Note line has done exceptionally well for itself and the company behind it, but it always help to put things into perspective with a number of units sold...
Source: http://www.phonearena.com/news/Samsung-has-sold-over-40-million-Galaxy-Notes-to-date_id47773
Source: http://www.phonearena.com/news/Samsung-has-sold-over-40-million-Galaxy-Notes-to-date_id47773