Fairfax girl rings in IPO, and hearts, for Twitter Have you seen this article? What are your thoughts? Twitter threw in a sweet surprise Thursday when the company brought in a 9-year-old social entrepreneur from Fairfax to ring the NYSE opening bell on the company's IPO day. Vivienne Harr, whose Mak... http://blog.sfgate.com/techchron/2013/11/07/fairfax-girl-rings-in-ipo-and-hearts-for-twitter/