You may not know it yet, but while you are working hard to build a respectable personal brand – you may be doing the exact opposite. While you labor to expand your sphere of influence – you are actually limiting your potential. All because you’re making these nine easily fixable rookie networking mistakes. 1. Your Profile Needs Work – Your online profiles are your first, and sometimes only, impression. Not your latest tweet. Not the kitten picture you posted on Facebook. And not the latest picture of your dinner on Instagram. Read more.