ADVERTISEMENTMost of us sort of already know that when someone posts a picture online, they’ve probably fiddled with some sliders somewhere. Changing the lighting, the exposure, maybe cropping out some random detail on the edge of the frame, these are all tools that have been around. But if you really dig into these apps, as it turns out, you can change a lot more. We’ve gathered some pretty blatant examples of people sharing just how easy it is to alter the images you post on social media. So get comfortable as you scroll through, upvote your favorites and be sure to share your thoughts in the comments below.