Dr Watts thinks that simple search-volume forecasts will help spot consumer trends of this sort with increased precision. But the improvements they bring will be incremental. Sophisticated methods based on natural-language analysis of tweets, blogs, or Facebook pages, by contrast, hold greater disruptive potential. As users of social media grow accustomed to sharing highly personal information, apparently unfazed by market-research outfits like WiseWindow watching their every step, the feelings and intentions of hundreds of millions of people are there for data-hungry computers to see.
[ economist.com ]
