Here's an interesting perspective of text versus email: http://communities-dominate.blogs.com/brands/2010/03/faster-than-a-locomotive-leap-over-giant-buildings

Here's an interesting perspective of text versus email: http://communities-dominate.blogs.com/brands/2010/03/faster-than-a-locomotive-leap-over-giant-buildings-yes-sms-text-messaging-twice-the-users-of-email-t.html http://communities-dominate.blogs.com/brands/2010/03/faster-... tl;dr SMS is $100 billion business, is hugely popular and still growing.