How Google adress the spam reports

Ever wondered how Google deals with Spam ?. How they prioritise the sites, block them, handle the queries, etc. No ?. Nothing to worry here, Google published a video which explains how they prioritise spam reports.

The spam report form asks for the queries, resulting page, website url, keywords, etc so that Google can calculate the number of users who are exposed to spam site on a daily basis for the target query along with the list of related queries.

In the below video Mattcutts explains more on this