[youtube http://www.youtube.com/watch?v=bQKHQao9qVk?rel=0&hd=1&w=560&h=349] If you put your virtual foot in your virtual mouth, the first thing you need to do is exercise  some damage control. Sure, you can delete the post you're worried about, or change the settings on your home page to hide your mistake - and you should. But remember that's not the end of it. Watch the video, or read some related stories: