AIA Sees “Major Increase” in Visitors to Its Facebook Site Especially During Downturn:  For product manufacturers trying to reach architects and building project teams, now is the time to add social media to your marketing and public relations efforts. As noted by contributing editor Tracy Ostroff in AIArchitect, many architectural firms are using social media tools to broaden their networks and pursue business opportunities  (http://info.aia.org/aiarchitect/thisweek09/0327/0327p_network.cfm). “We’ve seen a major increase in the use of our Facebook site since the economy took a turn