(Photo: Caters News Agency)

The Gmail app for iPad and iPhone got an upgrade. [Gmail Blog]

Despite the cluttered app market, half of all revenue from the app store goes to just 25 developers. [The Register]

Techstars company Karma has launched its $79 4G mobile hotspot that rewards users for sharing their connection. [TechCrunch]

If the Curiosity Rover can last eight more years, it will get a friend. NASA plans to send another rover to Mars in 2020. [BBC]

Why walk or drive to work when you could trampoline? [The Guardian]