[□] □
[□=□] □
[□ & □] □
As Buchanan ( 1985 ) puts it , " Positive externalities ... As Jaffe ( 1998 ) reminds us , the encouragement of university professors is traditionally a job for university administrators . As Bruce Schneier points out , phishers succeed because banks do n't seek out transaction fraud . As Ralph Stanton , head of special collections and gifts librarian , points out , " Libraries are becoming broadcasters of information and we hope to send these wonderful collections to the rest of the world in digitized form .