As a librarian, we run interference w/ patrons to help w/ their personal ereaders. Hypothetical question - family has 1 home computer, but there are multiple Nook ereaders in the family each registered to different B&N accounts. How will ADE loaded on the single home computer treat the multiple ereaders? (Assuming that ereader acct info & ADE acct info must match to allow a transfer). Thoughts?