KoBoToolbox. KoBoToolbox KoBotoolbox provides an integrated suite of applications for handheld digital data collection.
Digital Data collection is superior to paper-based methods in terms of speed, data quality, and security, and is a cost-effective alternative to manual data entry. Check-in To Entertainment. Customer Community Software - Love your Customers. TweetFeel Twitter Sentiment - Twitter Search with Feelings about anything popular. Twistori. Konterkariert / trends - Twitter starts Web Data Mining with Summize. NY Times: Opinion Mining in Social Networks, Twitter. I have read an excellent news story at the NY Times: Mining the Web for Feelings, Not Facts (via KDDNuggets), on what Opinion Mining/Sentiment Analysis is, its application to Social Networks and its increasing expexted impact on Web search.
Technically is a very good dissemination article, the time it takes to be read is worth even if you have strong background on the topic. It is not surprising that Twitter is considered a primary source of opinions. When I started a research project on things related to this some time ago, I quicky discovered that there is plenty of test collections in English, but much less in Spanish (this is a topic for other posts).
I considered building a test collection in Spanish with Twitter search, surprisingly easy: type your product, brand, etc., collect tweets and evaluate them (a task for crowdsourcing, though).