An excellent piece of digital creative, from Sony Ericsson,featuring the finest of retro icons, the space hopper.

The original TV campaign features crowds of people on Space Hoppers.

The digital execution combines a really great twitter link up to a live environment, you guessed it filled with Space Hoppers.

By tweeting the hash tag #pumpt, Chief Hopper will respond in real time by pumping up a Space Hopper just for you.

Check out the video above or visit the Hopper Invasion site.