Branding Mistakes: Whose pie are you filling? Be the pie, not a slice.   When any individual starts out online, he or she needs to consider the branding effects of email addresses, social media accounts and blog URLs. If you tie your online image too closely to one thing (say a book, an art career or a band), you may find yourself unable to pull away from it. You may have the grueling task of recreating yourself for another endeavor.   I’ve been thinking a lot about the mistake Progressive Auto Insurance made tying its brand to a person: Flo. The “Aunt Flo” similarity always came to the front of…