[...] I approached the conversation with the notion that what we were really talking about was whether libraries should give their patrons the opportunity to organize the resources they value in ways that make sense to them. For some time one of our patrons here has been telling us he wants all the books that he’s interested on one shelf, and for years the standard retort has been a chuckle. But, why, he might today ask, can’t our library systems make this possible in some virtual way now? [...]