'Sleepy Hollow,' 'Opposite Worlds,' more connect on Twitter

The Twitter-TV relationship, seen in 'Scandal' live-tweeting and the 'Sharknado' phenomenon, grows in Syfy's 'Opposite Worlds' and other shows. Some TV writers embrace it; others are wary.In Syfy's reality competition "Opposite Worlds," Twitter put unprecedented power in the hands of viewers, supplying them with the ability to reward popular contestants with a luxurious spa day while punishing others with a less savory task: cleaning human excrement.