phpLinkBid just blogged about bid directory scams in Bid Directories and Fake Bids, Fake PageRank, Dropped Domains. These are all some topics of concern for Webmasters running bid directories or promoting their sites on bid directories. There are some pretty easy steps you can take to check for things like fake PR and dropped domains, and some extra tips for spotting suspicious bids and researching a bidding directory site. A recommended read for phpLinkBid site owners as well as advertisers using bid directories.

Read the full post on phpLinkBid.com and join the discussion in their forums.