By 2015: 349.1 million tablets and 1.95 billion mobile phones shipped worldwide.

[youtube http://www.youtube.com/watch?v=Z1qEvjU53cQ&w=600&h=315]

That's the new analysis from Gartner; if you consider the "dawn of the tablet age" to be January 2010 (when iPad's first generation hit), that's fairly substantial growth. (There were tablets as far back as 1997 by some arguments, although they weren't commercially successful yet.) Meanwhil…