Check this guys. http://www.niessuh.com/digg-stumble-technorati-and-earn-money/ you earn money while you bookmark their advertisers' sites. easy $5 cashout. paypal, egold and moneybookers.
I wonder how long it will be until the death of bookmarking. It's just completely abused at this point.
I dought that one. Personally the community will filter through spam and vote up only the good stuff. I've read digg pretty much everyday for a long time now and I rarely ever see any junk articles make front page on there.