(CNN) -- When online media first arose, one of the common complaints about it was that it wasn't very portable. Unlike books or magazines, you couldn't easily read your desktop or laptop on the bus or in the bathroom.
But mobile digital media hold the promise of a return to convenient portable reading. And new statistics from the popular online reading list service ReadItLater indicate that mobile devices are not only changing where people are reading but when.
ReadItLater is a free service that allows internet users to save the full text of articles and other content they encounter online on a personal reading list. It then displays this content in a format that's very friendly to mobile devices. Read more.