Over 70 billion mobile apps have been downloaded thus far! That’s 10 times the number of people on the planet!
Mobile phone penetration, as measured in the number of subscriptions, has exceeded the total population of the world. That’s more than 7 billion mobile phones!
This is a great checklist from Andrea Vahl on how you should be creating, using, and linking to your Twitter profile. You should check off this checklist at least twice a year, if for no other reason than to be sure you’re updating your Twitter profile with your new products and services.