While Twitter has been busy dealing with the unsolicited takeover offer by Elon Musk – and now the turn to litigation as he tries to walk away from the deal – traffic to its ad buying portal dropped 10.5% year over year in June and 2% for the quarter. Whether the softening of advertiser interest is a result of Musk-induced turmoil or broader market conditions, it's bad news as the company prepares to report Q2 earnings on July 22.