As soon as she pressed the End button on her cell phone it rang again.

NPR: In 'Challenger Park,' Mom Is an Astronaut

The possible health risk of cell phone radiation is a hot-button topic for many people, and this controversy is definitely not just about science.

CNN: STORY HIGHLIGHTS

But in 2012, at a time when anyone with a cell phone can spread offensive views around the world with the click of a button, the notion that we can control the flow of information is obsolete.

WHITEHOUSE: Remarks by the President to the UN General Assembly