Digital Life

How Vine Settled On 6 Seconds

According to numbers released Tuesday, Twitter's one-year-old video-sharing app Vine now has about 40 million registered users. The app lets users shoot a maximum of six seconds per Vine, so we wanted to know why the limit's set at six seconds and not a second longer.

Teens Use Twitter To Thumb Rides

Need a ride to the party or the concert? Instead of making endless phone calls, these days teens turn to social media to arrange transportation. It's called ridesharing, a form of cyber-hitchhiking used by a generation that isn't rushing to get a driver's license or dream car.

Happy International Geocaching Day!

If you're scratching your head wondering what the heck geocaching is, Dave Prebeck fills us in. The president of the Northern Virginia Geocaching Organization tells host Scott Simon that geocaching is essentially "a high-tech scavenger hunt."