WCIA-TV (Champaign, IL, June 30) -- An app, developed at the UI, can help us understand more about what people think when they're using social media. It's called Tweetsense.Its developers--engineering sophomores Cody Pawlowski (CS) and William Widjaja (ECE)--say it's a natural language processing engine for social media. It means it can read between the lines and see whether people are talking about something positively or negatively.