[kkoppenhaver]

DailyMotion[1] and Tumblr[2] have recently moved to PHP7. In addition, WordPress[3] is moving towards PHP7 as well.

[1] http://engineering.dailymotion.com/php-7-deployment-at-daily...

[2] https://engineering.tumblr.com/post/152998126990/php-7-at-tu...

[3] (from 2015) https://make.wordpress.org/core/2015/09/10/wordpress-and-php...