Yeah, sure, you probably know a lot. But there's always that movie or star constellation or post-graduate vocabulary word or Wikipedia fact that you can dig into. Here are the six best apps that'll satisfy your insatiable thirst for knowledge.
This is an app that transformed itself from joke to recommended download in record time. All it took, in the end, was a price change: Wolfram Alpha's app, now that it costs $2 instead of $50, is a steal. For those of you who aren't familiar with the Wolfram Alpha website, it's what its creators call a "computational knowledge engine." It's part graphing calculator, part trivia repository, and part search engine—albeit for a select set of databases, most of which are academically oriented. Ask it who Justin Bieber is, and it won't know. Ask it to divide the population of Waco, Texas by the number of stars in the observable universe, and it'll give you this admittedly meaningless number in seconds. 2$, iPhone.