Brace yourself for another Facebook search bar change, CNET reports. The social-networking giant will begin rolling out an advanced search feature designed to tap its massive base of 1 billion users to answers users’ questions about people, photos, places, and interests. Graph Search, which was announced earlier this year, will be available to users in the United States and others who use the American English version of the site, with access to other languages coming soon, a Facebook representative told CNET…