Shane: No Adwords Ads? Pay-per-click PPC Search Engine Advertising
or keywords that no one's bidding on, you're not going to find much success with Google. It's pretty saturated with keywords and their new Quality Score often forces you pay a significant amount per click even if no one else is bidding
Amazon Pay-Per-Click PPC Service - ClickRiver
Pay-Per-Click has been widely known through Google’s PPC AdWords service and Yahoo! has adopted it as well. Amazon is now offering a Pay-Per-Click Service for merchants who want to display their results in the Amazon Marketplace
jehochman: Interesting News From Adwords Pay-per-click PPC
In doing this, it may be instructive to put yourself in your customer's shoes and closely examine what it is that leads you to explore and do business with a site rather than simply click the "Back" button.
Shane: No Adwords Ads? Pay-per-click PPC Search Engine Advertising
Definitely. That's why I was careful to avoid absolute terms. There are definitely opportunities, but they're generally fewer and further between than with other PPC services
jehochman: No Adwords Ads? Pay-per-click PPC Search Engine
I think we need to be careful not to over generalize. It really depends on the quality of the landing page. There are lots of cheap clicks to be had, but it's really necessary to test and see what works and what doesn't
jehochman: No Adwords Ads? Pay-per-click PPC Search Engine
Don't think too much about what should work. Instead, test to find out what actually does work. The keyword tool in Adwords can analyze your page and give a recommended keyword list. You then scan and select the ones you want.
subscriber: No Adwords Ads? Pay-per-click PPC Search Engine
Well it might not entirely a bad strategy after all: if you use problem statement in your keywords (ie: how to + kw) and include the price in your AD the conversion should be accettable. That's debatable but I guess the question was:
Organic SEO or Pay-per-Click Advertising: Which Should You Choose?
When people hear about online marketing, they often think of two of the more popular methods that a company can use to enhance its visibility on the Web: organic search engine optimization and pay-per-click advertising.
How Many People Really Make a Living with Adsense?
You would think since it’s about the basic stuff that Adsense is really all about that we would all have a easy go this pay per click world. Finding stuff to write about is hard enough - but what’s really hard is to figure how others
Mastering pay-per-click search engine marketing
Pandia takes a look at pay-per-click text ad promotion and a book on PPC search engine marketing

Pay Per Click Search Engine Reviews
Pay Per Click Analyst reviews the top Pay Per Click Search Engines offering up to date Pay Per Click News, Fresh Reviews and Helpful Articles by Industry
BidVertiser - Pay Per Click Advertising On Sites Of Your Choice.
Pay per click advertising - online advertising directly on sites of your choice, internet marketing solution for online advertisers.
Newsday.com - News
Welcome to our new Pay-Per-Click advertising program or PPC at Newsday.com! Bids start as low as $0.25 per click and remember you pay only when a user
Online Behavioral Contextual Advertising and Marketing.
Our advertising service is set on an auction model (Cost Per Visit, Cost Per Click / Pay per Click and Cost Per Thousand Impression metrics) where you may
Google Advertising
With AdWords cost-per-click pricing, it's easy to control costs—and you only pay when people click on your ad. Earn more revenue from your website,

BidVertiser - Pay Per Click Advertising On Sites Of Your Choice.
Pay per click advertising - online advertising directly on sites of your choice, internet marketing solution for online advertisers.
Newsday.com - News
Welcome to our new Pay-Per-Click advertising program or PPC at Newsday.com! Bids start as low as $0.25 per click and remember you pay only when a user
Online Behavioral Contextual Advertising and Marketing.
Our advertising service is set on an auction model (Cost Per Visit, Cost Per Click / Pay per Click and Cost Per Thousand Impression metrics) where you may
Google Advertising
With AdWords cost-per-click pricing, it's easy to control costs—and you only pay when people click on your ad. Earn more revenue from your website,
Pay Per Click Guide
Pay Per Click Guide. Pay Per Click Search Engines in Review.
Pay Per Click Search Engines (CPC/PPC)
A list of pay per click search engines where you can pay to be ranked more highly in the results.
Search Engine Optimisation Marketing & Pay per Click Advertising
Search Engine Optimisation, Internet Marketing & Pay Per Click advertising firm.
False and Deceptive Pay-Per-Click Ads
Some pay-per-click ads affirmatively mislead users about who is advertising and what products are available. Consider the ads below, for site claiming to be