“People come to Instagram today to post their photos but haven’t come back to edit their photos” Instagram CEO Kevin Systrom tells me. So on Tuesday, Instagram added sliders to control 9 new photo effects and the intensity of its existing filters. These give everyone the power of desktop editing suites and photo apps like Camera+ and Photoshop Express for free, which Systrom says “creates a nice level playing field for the Instagram community.” The Instagram 6.0 update is rolling out now to iOS and Android (Ice Cream Sandwich and above). Until now, the Instagram user base was divided. There were casual mobile photographers who snapped pics with their default camera or Instagram and then posted them to the app. And then there were more serious creators who might fiddle with their photos on desktop software like Lightroom or spin them through a series of third-party editing apps before taking advantage of the Instagram network.