The globe online ad industry won’t see signs of a turnaround until the middle of next year, says IDC analyst Karsten Weide, echoing some other recent reports on the timing of a recovery. This quarter and the fourth will resemble Q2, when online ad spending worldwide contracted by 5 percent to $13.9 billion. The Asia Pacific region was one of the few right spots, with slight gains; it was the second consecutive quarter of decline for the U.S. market, which was down by 7 percent year-over-year. The main culprits: display and classifieds were both down by double digits, more than offsetting paid search’s continued stability. Release