Let’s start by looking at the most important question: “WHY?”, so you can decide whether you even want to keep reading!

If you think about it, there are 2 main ways you can increase your profits: You can either
1. increase turnover, or
2. decrease cost of sales/expenses.
So when we look at the “WHY” of doing anything on the Internet, it is with these 2 questions in mind: does Mobile Marketing (or any other Internet related activity) help increase turnover or decrease the cost of sales?
With that in mind, let’s first look at the “obvious” reasons everyone keeps telling you about:
The Facts

The mobile revolution is pretty much global and it touches all customers. Over the last 5 years alone, 2 Billion new users have gone “mobile”.
It is estimated that in 2012, around 49 Million new mobile smartphones will ship in the UK alone.

In other words:
Mobile phones are everywhere, and people use them everywhere.

We could now give you hundreds of stats to back this up, bot it's late so I'll let you off.