The problem with new IRS software requests, according to AICPA, is that small-business record-keeping software is flexible enough to bring in unrelated financial data that are fully integrated with the tax-preparation information.

WSJ: Small Businesses Fight IRS Over Data

But business mashps are catching on, and they are likely to be huge at Salesforce, which has 280 business software mashups that offer ways to track eBay sales activity on Salesforce's record-keeping software or ways to tell where clients are using Google maps.

FORBES: Why Google Loves The Little Guys

The U.S. branches of Indian outsourcers rely on bringing in their own tech experts from home, saying they are most familiar with the software and other technology developed in India to streamline American companies' payrolls, record-keeping and other outsourced functions.

NPR: US Immigration Bill Could Slow Indian Outsourcers