Today is Data Privacy Day, and all of the major social websites have come out to play. Facebook is launching an “Ask Our Chief Privacy Officer” form, Google explained its approach to government requests for information in a blog post, and Twitter launched an entire website dedicated to transparency in all things data privacy related.

That last one is particularly interesting to us, because that website includes detailed copyright notice stats, putting copyright infringement on Twitter into raw numbers. Oh, and did we mention, copyright notices are by far the most common requests submitted to Twitter — over three-and-a-half times more frequent than government info requests. Read more…