Tech IPOs in 2013: Enterprise rules, and a watershed e-commerce moment.

Last year, we estimated that 80 percent of the tech startups likely to go public in 2013 sold their software to businesses, not consumers.

Our prediction proved accurate, with enterprise companies dominating the markets this year. Business-to-business (B2B) companies don’t capture the same attention as their consumer counterparts, but investors perceive them as a safer bet.