Email has pretty much replaced every form of communication - fax, letter, telegram - even phone calls. According to radicati.com, there are approximately 3.1 billion email accounts Wordlwide. With Smartphones becoming more and more popular, it is expected there will be 531 million wireless email users in 2011, with that number growing to 1.2 billion by year-end 2015. Even more staggering is their estimated number of emails SENT Worldwide on a daily basis - 294 BILLION. That works out to be 2.8 million emails every SECOND.