With right-side text ads gone, Google is testing a new, longer look for text ads that can display across devices in any ad position.
Expanded Text Ads are the next generation of the standard AdWords Text Ad. This new ad type provides longer, more controllable messaging in your ads. Expanded Text Ad also features:
This ad type has two headline fields. The second headline is concatenated to the first headline field, separated by a dash. On mobile, the combined headline fields may wrap to a second line.