Rolltop is a highly flexible design of a laptop. Which can also transform like a tablet, monitor, speaker, camera etc. This concept is in very early stage of development, the videos looks promising but the quality of the product remains a concern. Once the final product is out for testing we will be able to give a proper review about it.
Studies says that this rolltop can easily be converted into 13inlaptop with touch based keyboard and a 17inch tablet or a display unit. It has come up with bundle of components such as camera, volume controller, Pen depo, stand etc.
Rolltop concept seems to be interesting, but its in developing stage and need to wait for years to touch this beauty.