Most videos enable users to leave comments, and these have attracted attention for the negative aspects of both their form and content. In 2006, Time praised Web 2.0 for enabling "community and collaboration on a scale never seen before", and added that YouTube "harnesses the stupidity of crowds as well as its wisdom. Some of the comments on YouTube make you weep for the future of humanity just for the spelling alone, never mind the obscenity and the naked hatred". The Guardian in 2009 described users' comments on YouTube as: COUNT 5
QSN1 Most videos enable users to do what ANS1 leave comments QSN2 What has attracted negative attention about comments on youtube besides their content? ANS2 their form QSN3 Time in 2006 wrote that youtube harnessed the wisdom and what else of humanity? ANS3 stupidity QSN4 Which magazine wrote about youtube in a 2009 article on user comments? ANS4 The Guardian QSN5 Some of the positive aspects of youtube might be that it provides what on a scale we've never seen before? ANS5 community and collaboration