Mobile clicks with fat finger syndrome are no use to advertisers, publishers, or users, and this is news of Google's latest attempt to reduce and to prevent accidental clicks on Native ads.
Additionally, Google has measured the time for an accidental touch on an ad, which it describes as a "fast click."
Fast clicks and edge clicks are just two of the user interaction issues we prevent in order to deliver value to advertisers. By expanding protections like these to native ad formats on mobile, we observe conversion rates increase over 10% on average with minimal impact to long term publisher revenue. Google AdWords: More Progress to Prevent Accidental Clicks on Mobile [adwords.blogspot.com]
A click is ignored when a user accidentally fast clicks on an interstitial ad