When she learns a new fact, NELL adds it to her online database, and tweets her discoveries, so you can follow her progress. For example, today she learned that the phrase "dem franchise boys" fits in the category of "music artist." NELL's knowledge base currently consists of around 440,000 facts, with around 87 percent accuracy. Many of her tweeted lessons demonstrate amazing analytical capabilities – she was able to get "tool" from "Anchor Fixing Self Tapping Screw Bolts." The New York Times recently published an in-depth look at exactly how NELL learns these things.