Frebble aims to make it a little easier by simulating the holding of hands with the person at the other end of an online video chat. Anyone who's had to spend a long time away from someone they ...

Mark Kelly holding the hand of his wife, Rep. Gabrielle Giffords, in her room at University Medical Center in Tucson on Sunday, Jan. 9, 2010. Office of Rep. Gabrielle Giffords/AP hide caption ...