Krishnaprasad Thirunarayan, Adarsh Alex, Christopher A. Heid, and Greg J. Mott (2-6-2015) With the rapid rise in the popularity of social media (1B+ Facebook users, 200M+ twitter users), and near ubiquitous mobile access (4+ billion actively-used mobile phones), the sharing of observations and opinions has become common-place (500M+ tweets a day).