Hey, that's a great idea! I could write a Javascript device that puts a number in the corner of the viewer's slide, with some indication of whether they were on

Hey, that's a great idea! I could write a Javascript device that puts a number in the corner of the viewer's slide, with some indication of whether they were on the same page as the presenter, and which they could click to jump to wherever the presenter is currently. It could also turn the pages automatically, for people who want that. Thanks.