when someone decides to ban or censor something, and that attempt to make something go away, makes it even bigger than ever before, or ever planned.
dj danger mouse's gray album in which he remixed the vocals from jay-z's the black album and the beatles white album. when emi sent a cease and desist letter to danger mouse the internet community created an intense distribution campaign
a google search where the end result is only one webpage being found. some criteria include: two words that are defined by dictionary.com. no use of quotation marks are allowed. and the resulting page must be a real article not just a list of words. an entire community has sprung up around googlewhacking. you can go to googlewhack.com for more information.
in it most simplistic variant its a single persons journal posted to a website. however the range all the way to corporate sites about new products to several people writing news to many people writing many things.
livejournal.com, blogger.com, slashdot.com. my weblog entry for the day was about how blog has sprung up in use with online journals because people were getting them confused with server logs.