Let's not get too nutty. 10-20 billion is a little over the top. It's remotely possible, but that's about it. Realize that 10-20 billion is $44 to $88 per share. Not quite, buddy. $10-20 over the next 2-4 years is a likely best case scenario if all goes in our favor.
By the way, Mark Leibovit's blog only mentioned $2.25-2.50 as a target. He said nothing about 10-20 billion...