In 2010, you are whatever the Net says you are. Deal with it. Let’s assume that you want to deal with it; that is, you care about the picture the Net paints of you. I think that most of us should care, and I can think of three approaches to influencing the Net’s view: Branding, Offending, and Spelling. The first probably won’t work and the second stinks, so that leaves Spelling; more precisely, spell-checking and what it stands for.
Read the entire (short) Tim Bray Essay: After Branding.