Blog We Are Organized Chaos published a great roundup of recent mobile marketing stats. You'll want to save this post for reference and go through them at your leisure.
So what's the big deal?
The first link boldly states that 82% of brands plan to boost mobile budgets over the next 12 months. In 2009, marketing & ad budgets started shifting from traditional to social media. This year, we're seeing mobile rapidly take over the social experience. With the ability to target your message and communicate 1:1, you can engage with your most loyal customers and build that loyalty even further.
Just realize that mobile is one channel—albeit one rapidly increasing in importance—in your marketing mix. For some perspective, check this Mobile Marketer article; Why brands must have a 360-degree mobile Web strategy.