Heating value unit conversions (for more visit Wolfram Alpha):
The company launched Wolfram Alpha, an answer engine on 16 May 2009.
The majority of the usability and elegance that you refer to is coming from its integration with Wolfram Alpha, not some totally new technology.
Neither Watson nor Wolfram Alpha, in other words, comes close to replicating human wisdom.
There's even more information available thanks to integration with Wolfram Alpha, the data search engine.
In 2010 Wolfram Alpha lists 0.1459% or about 120 Bahá'ís.
In 2011, according to Wolfram Alpha, it had a population of 1,672.
It integrates with services such as Yelp, Wolfram Alpha, and more.
This can allow interactive requests such as that implemented in Wolfram Alpha (see external links).
Along with new premium features, Wolfram Alpha Pro has led to some changes in the free version of the site: