This week the anti-harassment website ihollaback.org has released an iPhone app that they hope will help encourage women to stand up and report cases of harassment in public places.
The Hollaback iPhone app does pretty much what you'd expect it to do. If you're being harassed or are witnessing someone being harassed, you can whip out your iPhone running Hollaback, take a photo of the violator and upload it to the Hollaback servers along with location data. A follow-up email comes back to you later, where you're asked to detail what happened. Once that's done, the scumbag's photo and your story are po