Some U.S. officials this year are expected to get smartphones capable of handling classified government documents over cellular networks, according to people involved in the project.

When the Giants and Patriots take the field on Sunday in Indianapolis, they won't be doing battle in soft leather helmets with no face masks. And there definitely won't be some kid on the sideline ladling out water from a tin bucket to quench their thirst after a big play.

See CNN's list of 10 well-known people whose Twitter accounts will cause you to do a double-take.