I enjoyed the Charlie Chaplin one. I knew some of these. Oh, No. 2 is very different to the story i heard. I read here,
http://straightdope.com/classics/a1_195 , that the founder liked the idea after seeing an ad for shoes labelled "21 styled of shoes" and adopted "57 varieties" for his ketchup. 57, AFAIK, is a random number.