Best: Because it targets your audience/influencers. like to set guidelines on what is acceptable and what’s not, then release the hounds. Interesting question “who is in charge&# of a Twitter campaign since targets include custs, partners, analysts, investors, etc. Given the wide range of target demographics on Twitter, multiple campaigns/accounts might be warranted. Should follow customers, analysts, partners, potential customers, media and bloggers in industry targeting. think the differentiator is HOW twitter is used. Learn more here ).