Preview the latest embedded Tweet design

We just [announced a visual update to embedded Tweets][1] on the Twitter developer blog. This latest design will roll out to all embedded Tweets soon. Want to preview the new design on your staging and development sites? Add a new meta element to your to opt-in to the new design. The new meta element will only be relevant until the new design is launched for all sites and viewers. [1]: https://blog.twitter.com/2015/embedded-tweets-redesigned-for-the-modern-web