Google Assistant seems... fun. Taken from a prerelease version of Allo. (And yes, this is what will happen if you send Google Assistant a poo emoji in Allo.)
UPDATE: 2016/08/22 11:13am PDT BY
Official comment from Senior VP of Android, Chrome, and Google Play Hiroshi Lockheimer.— Hiroshi Lockheimer (@lockheimer) August 22, 2016
Huge if true.