Fame to Reality

isn't it interesting to read blogs of famous people just writing about their lives like any other person. Sarah Dessen is one of my favorite authors and while i'm sitting her reading her blog, i feel like something isn't right. Sarah is explaining her everyday life...she's even talking about how she ahs to hurry because seh has to go make a salad! This makes me wonder, is she talking about her everyday life to make her fans feel like they know her personally or is this an advertising mechanism?