It’s hard to justify the time spent on social media account management. But there are ways to measure the real value (monetary or otherwise) of fans on Facebook and followers on Twitter. These top two social media websites offer free advertising, an open customer service and communication platform and a demographics database all wrapped up in one, so knowing the value of fans and followers can be a big help when deciding how much time should be allotted to social media efforts. Here are some of the ways to measure how much Facebook and Twitter users are really worth.