The giveaway is open to everyone except residents of Canada1. Enter below, and use a valid email address (and a unique name). Entries are collected in a protected database and discarded after the giveaway. No email address shenanigans. Winners are drawn at random from all collected entries.
Five copies of Oyster ($4.99 US value) will be given out on Friday, July 19th at noon(ish), at which time no more entries will be accepted.
Sorry, this giveaway has ended.