Comscore measures paid clicks for US users of all the major search engines. Google has recently been on a fairly big slide in paid clicks. Google investors were hoping to see some improvement in January’s 0 percent increase in year-over-year performance. The good news? Paid clicks were up 3% in February. The bad news? There were 3% more days in February this year.Google had 515mm US paid clicks in February, which is up only 3% year over year. At first glance, this appears to be a slight–slight–improvement