AM Khan reports that this year in May, Google made some changes to how ad rotation works in AdWords. After 30 days, AdWords would optimize to show higher-performing creatives.  Responding to user concerns, Google announced yesterday that it has made some additional adjustments to its process.It will expand the even rotation period from 30-days to 90, so there’s a longer testing window for new ads. Google is also offering an opt-out option, so advertisers can continue to have their ads rotate evenly indefinitely.If you want to opt-out of the rotation setting, there’s a form here.Continue... [...]