Here are some resources to help you understand Going Mobile:
Mobile Statistics
Mobile Commerce
Internet Trends
QR Codes
Mobile App Usage and Trends
Smartphone Users and Apps
Email: The Gateway Drug to Mobile
Nearly 80% of On-the-Go Audience Shops on Mobile, 72% Buy Local Deals
Twitter Stats - Up & Away
The Future of Going Mobile:
How Square's New Pay-With-Your-Name System Works
Square Up Changes Checkout
Books recommended for businesses engaged in social media:
Engage by Brian Solis
Trust Agents by Chris Brogan and Julien Smith
The Thank You Economy by Gary Vaynerchuck