Mobile point-of-sale

The $3.4 billion deal to take Verifone private is more than just an effort to strengthen the company. It's also a signal of how much the market has changed from the days when Verifone found itself scrambling to combat a newcomer called Square.

Merchant acquirers are racing to sell "integrated payments," or a one-stop shop for transaction processing and myriad other services that stores can tie to the point of sale. But small to medium sized businesses are not often the targets for these efforts.