1. Google has a separate index for mobile content. 2. Your regular website is not going to cut it. 3. 1/5 of Americans access the mobile web each day. 4. Mobile web will overtake the desktop within 5 years. 5. $1.6 billion purchased from mobile devices in 2009. 6. 93% of U.S. adults own a cell phone. 7. 5% of the top 500 online retailers have a mobile website/iPhone app. 8. Mobile advertising spending will surpass $6.5 billion in 2012. 9. Users average 13 hours online per week, up from 7 in 2002. 10. There are an estimated 2 billion cell phones worldwide.