Earlier this month I attended the 18th Annual Sloan Consortium International Conference on Online Learning. When I checked in at the registration area, I was pleased to see an advertisement for a Twitter contest. The instructions were simple: the tweet using the conference hashtag (#aln12) that received the most retweets would be win the contest. Since I planned to tweet, I kept the flier. With nearly 3,000 people attending the conference, I didn't think I would be a Read More …