“The online OED now allows the reader to click on citations from Shakespeare and Milton to get the extended passage they’re drawn from, and readers can easily go online to do the same with citations from other writers. Online dictionaries like Wordnik already use algorithms to construct citation lists on the fly; at the limit, you could think of an online dictionary as simply a lexicographical web interface… The advent of online historical corpora has also altered the lexicographer’s method. Word sleuthery has become a game that anyone with access to a search engine can play.”