Sliding keyboard phones allowed for more screen real estate without intrusive on-screen keyboards. Attempts to revive sliding keyboards failed due to high prices, performance issues, & design faults.

Slashphone has posted one of the cooler RAZR concepts I’ve seen in a while. The designer is really onto something here. I’m suddenly almost wishing the Franklin would have a form factor like this.

The secret's out at Helio. The Pantech PN-810, a three-layer-cake slider phone that has a regular dial pad and a keyboard has been seen on the FCC site ...