Everyone is mad about Instagram changing its terms of services to allow it to sell your photos to advertisers without your knowledge. Now Instagram users have started a hashtag movement on Twitter, the internet equivalent of "actually doing something about it."

Thousands of #BoycottInstagram tweets have been fired off this morning, as Twitter users express their dismay that Instagram is turning into "the world's largest stock photo agency," as Cnet put it. Others have taken to writing farewell notes and posting them on Instagram.

A sampling of the international Twitter-rage:

Can the #boycottinstagram movement enact change in the real world? Perhaps they can occupy Instagram CEO Kevin Systrom's parking spot at Facebook HQ.