Q Interactive and ad:tech Chicago surveyed 1000 women and found that 54% of the women visit social networking sites at least once daily, and 75% of those women admit they are more active on networks now than they were one year ago. About 66.4% say they use Facebook, followed by MySpace at 16.3%, Twitter at 3.1%, and LinkedIn at 1.4%. 52% have friended at least one brand, but the results on advertising influence are mixed. Details at MediaPost.