There are many ways. However, it is important that you realize what Trulia is. Failing in this aspect will only result in inappropriate expectations.
Then you must determine how and for what you will use Trulia for in regards to your business.
Then, there are a only a few details you must address to get the biggest bang for you buck.
Debbie Rose will be responding soon. She has proven to be the most thoroughly knowledgeable regarding the leverage parameters upon which you should invest your energy immediately.
Having set the stage properly, for the purpose for which you intend, simply participate in the Q&A ackknowledging best business practicies and have some fun. In the same spirit, augment your participation with strategic blogging that supports the purpose you intend and you are on your way.
It is extremely important you understand what Trula is and maintain proper expection from paricipating.
And by all means, have fun. That could be the only ROI.
Best of success to you,
Annette Lawrence, Broker/Associate
Remax Realtec Group
Palm Harbor, FL