Original URL: http://www.theregister.co.uk/2012/02/08/siri_wolfram/
Quarter of Wolfram Alpha brainteasers come from Siri
Apple's smart-arse software relies on boffinry website
Wolfram's threat to knock Google down a peg or two  was mocked at the time, our Reg reviewer  declaring the web service a tool primarily for boffins. However, the computation engine has been tweaked and is now a fundamental part of Siri, helping fanboys who whisper sweet nothings into their iPhone 4Ss get intelligent responses.
Wolfram Alpha is one of the few third-party apps that feeds answers into Apple's voice-controlled know-it-all Siri: Google Maps and Yelp! local search being the other two. Siri works by following commands from users and answering their questions.
The Wolfram-backed Apple service could be one of the biggest threats to Google's search engine: the web giant's supremo Eric Schmidt said as much himself .
Wolfram also gets traffic from Bing  and is launching a paid-for premium service today, costing $4.99 a month. ®