Very interesting considering WebKit is moving away from prefixes: <a href="https:&#x2F;&#x2F;webkit.org&#x2F;blog&#x2F;6131&#x2F;updating-our-prefixing-policy&#x2F;" rel="nofollow">https:&#x2F;&#x2F;webkit.org&#x2F;blog&#x2F;6131&#x2F;updating-our-prefixing-policy&#x2F;</a>