In which XKCD attempts to figure out the gravitational forces operating on a cloud of starlings. Especially awesome today.
Ebook vs. app is an interesting conundrum, and the ease of use of Apple’s tools for creation makes a lot of academic projects default to using them. This is a self-limiting flaw, which sometimes creates bizarre situations like this: An app presenting Eliot’s Waste-Land in annotation layers is OK; an app presenting a work by Thomas Jefferson in annotation layers is not.
The web works on everything.