Unfortunately, the promise does little to address the underlying issue of intellectual property ownership and the exploitation of user data across all social media. Here's what Mr. Systrom promised:
"The concerns we heard about from you the most focused on advertising, and what our changes might mean for you and your photos. There was confusion and real concern about what our possible advertising products could look like and how they would work... Because of the feedback we have heard from you, we are reverting this advertising section to the original version that has been in effect since we launched the service in October 2010..."
The problem is that Instagram's apology and reversion to the existing contract does nothing to restrain their right to use your photographs and personal data in any way they choose. Even with the reversion, they can use your photographs, including in an advertisement. The existing language they are reverting to is found under the RIGHTS section of the user agreement: