As hardware like Square makes mobile payment more popular with small retailers, the exposure to fraud grows.

As hardware like Square makes mobile payment more popular with small retailers, the exposure to fraud grows.

To celebrate Apple's announcement that it's sold more than $10 billion in apps last year, we look at the top eight apps for small business.

To celebrate Apple's announcement that it's sold more than $10 billion in apps last year, we look at the top eight apps for small business.