The Use of Quantitative Measures of Sentiment Is Still Limited

The use of quantitative measures of sentiment is still limited because:

A) their use requires deep engagement with one or more social media communities.
B) sentiment analysis relies on the emerging field of natural language processing.
C) most social media monitoring tools seek to seamlessly mix qualitative and quantitative analyses.
D) a large amount of data is currently unclassifiable or incorrectly classified with current automation tools.
E) researchers prefer to collect data from higher traffic forums.