Real estate search site Trulia is partnering with DotLoop, the paperless transaction management platform provider, with the two companies agreeing to jointly promote their online real estate services to agents and homebuyers."This partnership is a natural extension for agents meeting buyers and sellers on Trulia to sign and close on a transaction with DotLoop," said Trulia CEO Pete Flint in a statement.DotLoop claims more than 20 percent of real estate agents in the U.S. and Canada currently use its secure online platform to share and electronically sign transaction documents in real time.Trulia estimates that 40 percent of active real estate agents use its site and services it provides for brokers and agents.This week Trulia announced a new incentive program aimed at getting rea...