Zillow gulps down RentJuice

Acquisition is company's third in a year

Real estate information portal Zillow Inc. says it hopes to propel its rental marketplace "ahead by years" by acquiring rental relationship management software provider RentJuice Corp. for $40 million.

Zillow said the acquisition will allow it to offer a suite of tools and services for rental professionals to help them market their inventory to renters and manage client relationships.