Who's the customer?

Tech execs debate best online real estate business model

SAN FRANCISCO — It’s not always an either-or proposition, but some of the most successful online real estate businesses tend to cater either to consumers, or to real estate agents and their brokers.

Executives of two popular Web sites — Trulia and HomeGain — debated which business model is best positioned to succeed in the world of Web 2.0 at the Real Estate Connect conference in San Francisco.

Provide consumers who are looking to buy or sell a home …