On July 28, 2009, I wrote about the five rules of Facebook. A lot has changed since then. For example, we only wore masks on Halloween or to try on Halloween costumes in 2009. Still, I don't think much has truly changed in regards to Facebook. Here's the original column: Life has a lot of rules, which is good because they give rulers something to do besides measure things. In the summer, people follow such important rules as "No running around the pool," "No swimming in the ocean without a lifeguard" and "No accepting candy from a stranger unless the stranger says the candy is good." I've been noticing, however, that there are a lot of rules people should be following when it comes to Facebook, the social networking site that helps its users to connect with the people that sat behind them in math class (it's about time, huh?). Although there are probably hundreds of rules that Facebook users should follow, I have come up with just fi...