Mobile computing changes a great deal of the landscape for scholarly communications. Among other things, publishers and librarians alike must take into account new file formats, varying screen sizes, and the intrusion into academic publishing by gigantic consumer technology firms such as Amazon, Google, and Apple. Mobile computing has other properties that are likely to be exploited in new ways by publishers including writing for the "interstices," that is, creating content specifically designed to be consumed between other activities of higher priority. This presentation engages the question of how publishers are likely to experiment with some of the new properties of mobile devices.