Apple’s App Store claimed explosive growth in 2009, with more than 100,000 applications and 2 billion downloads by November. That expansion has led to something of a recent crackdown on Apple’s part, with the company taking a more aggressive stance about weeding out useless or fraudulent mobile applications. Even so, the sheer number of programs available occasionally makes it difficult to decide which apps will actually fit your wants and needs, particularly within a business context.

To help you out, the following presentation details eWEEK’s choices of 2009′s best iPhone apps for IT administrators, road warriors, shoppers, and those who just want to use their iPhone to find the cheapest gas or best music, or make free phone calls via Skype. Which is to say, there’s a little something here for everyone.
– …