This makes it hard to find particular information of in-terest ( say , a mention of a particular company in a set of thousands of YouTube comments ) , or to un-derstand the gist of the discussion at a high-level . Our goal in this work was to create a simple tool which would allow people to rapidly ingest useful information contained in large community-created comment threads , where the volume of data precludes manual inspection . To this end , we created CoFi ( Comment Filter ) , a language-independent , web-based interactive browser for single comment threads . 2 How CoFi works For a given set of comments , we create a distinct CoFi instance .