I found this fascinating quote today:
When it comes to book promotion, the title of this blog post is truer now than it ever was. When you put something online, it can almost live forever. That means that we have to be careful what we share, what we say, and the footprints we leave online. A bad first impression is tough to recover from and in some cases it might not just mean a lost sale but a lost media opportunity. Here are a few guidelines to consider when forging your success online!amarketingexpert.com, Author Marketing Experts, Inc. » Everything Is Your Resume, Mar 2010
You should read the whole article.