The document discusses how bids in Google Adwords work and the importance of monitoring bids to avoid being "bumped" by other bidders. It explains that a bidder pays 1 cent more than the maximum bid of the bidder below them. However, a savvy bidder can increase their maximum bid to raise the amount another bidder above them pays per click. The document stresses that manually monitoring all bids across keywords is nearly impossible, so specific software is needed to avoid overpaying due to being "bumped".
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