Singapore real estate site heads outdoors by Brian Blum in Real Estate 25 Nov 2008 Singapore real estate Web site PropertyGuru.com.sg has launched a national outdoor advertising campaign covering buses and taxis. The campaign is intended to drive visitors to PropertyGuru’s revamped Web site.Launched in 2007, PropertyGuru has grown from 28,000 unique monthly users to 220,000 in 2008 and traffic has leaped up 400 percent, according to the company. 4,000 memberThis article is only available to AIM Group clients. Please subscribe now or log in to view. Share cnbcpropertyguru.com.sgsingapore Brian Blum Brian Blum covers the U.S., Canada and Israel for Classified Intelligence Report, and contributes to our special reports and research projects. Originally from San Francisco and now based in Jerusalem, he has been with the AIM Group since 2004. He is the president of Blum Interactive Media, specializing in writing and multimedia content development for online, print, video and audio. His clients include newspapers, universities and non-profits. He is currently working on a book about the billion-dollar bankruptcy of a once high-flying Israeli startup.