When Google Knol first came, it was considered a competitor to Wikipedia - but looking at it now, Knol has evolved into its own type. With facilities like Citation and 'Collect this Knol', Knol has become a tool for people to write articles similar to research papers. Knols may as well be called 'informal' research papers or research papers in draft. I wrote my first Knol a couple of days back on the subject of ' Classification of tweets '. An excerpt below: It should be practically possible to build a web application / extension to twitter which will tentatively classify tweets and display them to users in say a newspaper like layout. Thereafter it should also allow users to suggest changes to the classification if they think this is not a correct classification. Read More