Google has been making a number of changes recently to help make ad variations cleaner. The most recent update involves Google now disallowing “IP addresses in the display URL field.” Google has also made it known that this change will affect all countries and that it was made to help improve user experience.
Another recent change that has been made had to do with phone numbers being inserted directly into the text fields of ad variations. This was also recently disallowed, and, according to current Google alerts in AdWords campaigns, they are going to be enforcing this starting in July 2013.
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