Working on another Twitter contest (I'm going to run a few as we experiment a little). This time we used the Twitter contest to drive traffic (the first was a follower campaign) to a new resource center for wireless networks. I decided to work with Ads to kick off the contest. Last time I used an email list we have internally to let everyone know about the contest. The online ads were on a very prominent trade publication. We had inventory from another ad campaign so I used it to kick off this contest rather than blast an email list and over-fatigue that list.So far (about a half a day into the contest) its pretty clear that email is a better launching point for a viral campaign. It was to be expected, but its dramatically different so far. Its just interesting to see as we go through different "theories" (since all the "experts" that spew advice out there seem to be giving alot of conjecture anyway. Of course, having some Twitter power users helping kick off a campaign also helps….