Sorry Canon7, the float is at least 5 billion, and you can only imagine how high the O/S count has risen to.
Check the latest from HRNF (Updated 7/6/2010). Float was updated (approximated) to 5 billion in their latest fluffie.
Here is the info from 7/6/2010.
Outstanding Shares
7,289,762,180 as of Jul 6, 2010
Authorized Shares
10,000,000,000 as of Jul 6, 2010
Float (shares)
4,500,000,000 as of Jul 6, 2010
Number of Shareholders of Record
103 as of Jul 6, 2010