1. A method for determining crowd sentiment comprising: scraping a computer network to obtain one or more documents; storing new documents of said one or more documents in a document repository; processing said new documents of said one or more documents in said document repository through a filter to extract one or more system keywords, wherein said filter generates keyword links and statistical information for each of said one or more system keywords for a predetermined period of time, wherein said statistical information for said each of said one or more system keywords comprises volume, velocity and crowd sentiment; maintaining said one or more system keywords, said statistical information and said keyword links with a keyword cache system for access by a user; and repeating the above steps at regular occurring sample intervals, wherein volume is number of occurrences of a system keyword in each sample and wherein velocity is rate of change of volume.