Facebook dominated the social media/online marketing news this week with their launch of Facebook Places – a location-based service along the lines of FourSquare which allows you to “check in” via Facebook to various places you go. While there was much fanfare, the rollout seems to be quite slow as far as people actually being able to access and use it. As with everything Facebook does, it comes with privacy implications. The default setting is that other people can check you into Places. Visit your settings to change that. Here are the instructions.