Most of the videos in the presidential campaign so far have been seen, and distributed, online. They're cheaper for the candidates to produce, and often get picked up by news outlets anyway.

One company is benefiting from the Occupy Wall Street movement: Livestream.com. The site has attracted 11 million unique viewers to the 80 or so Occupy-themed channels set up by organizers to broadcast raw footage of protests from around the world. But it made for an uncomfortable fit between advertisers and the Occupy audience.

Facebook and researchers from the University of Milan calculate that on average it takes 4.74 "hops" to connect one Facebook user to another. But how can you play "4.74 Degrees of Kevin Bacon?"

Some auto executives say customers may not be ready for hybrids yet, but now it's time for the car companies to lead them there. For companies to meet new rules that will nearly double average fuel economy by 2025, hybrids will have to play a much bigger role than they do now.

Robert Siegel test drives the Leaf, Nissan's electric plug-in vehicle, with Carlos Ghosn, chief executive officer of Nissan and Renault.

Battelle isn't exactly a household name but the Ohio nonprofit is responsible for everyday items like the Xerox copy, compact discs and even bar codes. Those are the inventions Battelle publicly takes credit for. There are countless others, but the Columbus-based organization stays under the radar because it develops these products for large corporations confidentially. This report is from the Midwest reporting project Changing Gears.