Target Corp. has opened a new San Francisco office in an effort to find technology companies that can help the U.S. retailer grow its online commerce business. It follows in the footsteps of Walmart who has been in Silicon Valley for several years. Both retailers are investing in e-commerce in order to compete with Amazon. The Internet retailer just announced it would be testing its online grocery business in Los Angeles. READ: Target's Technology Innovation Center is run by David Newman, a former Walmart online executive. He said in the report that Target's San Francisco office will focus on "core commerce" initiatives, and bringing more digital shopping experiences into the retailer's physical stores through smartphones. To read more, go here.