The auto-playing video. It's okay if you don't like it. Others feel the same way, so you're not alone. The problem is that despite the large number of people who detest videos that start playing without permission, social networks are launching them anyway. Twitter's auto-playing videos are now upon us, at least if you're using iOS of the web (if you're not, your day of reckoning is inbound). Twitter announced the feature's arrival in a statement today, calling it a "new standard for viewability."