One of the attractions of Pinterest is how easy it is to use. But management attorneys caution that it makes breaking copyright law easy too.

“Pinterest just makes it so easy, without even requesting uploads (as sites such as YouTube or Instagram do), that the infringement can happen instantly and unthinkingly,” remarked Jonathan Ezor, assistant professor of law and director of the Institute for Business, Law and Technology at the Touro Law Center in Central Islip, N.Y.