Twitter has made some revisions to its terms of service, to address issues like advertising, tweet ownership, APIs, and spam.

Theres not as much news in this as one might expect, but there are some things worth noting. The revisions more appropriately reflect the nature of Twitter and convey key issues such as ownership. For example, your tweets belong to you, not to Twitter, says Twitter Cofounder Biz Stone. With regards to advertising, theyre leaving the door wide open.