For years, natural gas advocates have praised the fuel as an affordable alternative to gasoline. While some cars and trucks can utilize the fuel, it hasn't been a viable option for larger vehicles -- like semi trucks. That could soon change.
The news that Cambridge Analytica used Facebook data to develop political ads has reignited a national discussion about expectations of privacy online. A new study from the University of Colorado Boulder turns the focus to another social media giant: Twitter. The study found that 62 percent of Twitter users were unaware their tweets are freely available to researchers.