A very interesting graph. I'm trying to figure out what happened in September 2009 that caused those two lines to jump up so fast. The Kindle came out in 2007, and the iPad came out in 2010, so it's neither of those... And I believe the Kindle 2 was 2008. Maybe the nook?
1 comment:
A very interesting graph. I'm trying to figure out what happened in September 2009 that caused those two lines to jump up so fast. The Kindle came out in 2007, and the iPad came out in 2010, so it's neither of those... And I believe the Kindle 2 was 2008. Maybe the nook?
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