The search engine, or Google, in this case, is handling how much the publisher will get paid. AdSense enables a webmaster to display ads that cater to a particular targeted market without directly selling to them in the first place. Google will also collect funds and track the money for you as well. One thing that will never happen is the creation of a shortage of advertisers. Therefore there will never be a time where people will lose the opportunity to make money from these advertisements through AdSense.
Content sites need AdSense because of the ever-evolving ways to make money from AdSense as well as the many developments to complement the layout of any website out there.
Because of the many different formatting looks with the ads, it gives the site more clicks from visitors regardless if they are aware of clicking on the ad or not. The different formatting sequences get the attention of the visitor and make them curious enough to click on the ad. This makes you happy to make money and makes the advertiser happy because he has another potential customer.
The other reason why AdSense is essential to webmasters is because of the channel feature available. This allows webmasters to monitor their progress and make improvements on what that is needed. This also enables a webmaster to define sudden changes in trends.
The real-time feature enables you to effectively assess the changes you need to make any changes as you go. The more you use the flexible tools that are accessible to you, the more you will be able to get yourself the best results possible for yourself. Webmasters have more tools that they can use to get themselves in a better position to make money
Advertisers see the benefit of having their ads shown on targeted websites. They know that having a targeted website display their ad will increase the chance of making a sale.
Just remember that AdSense is all about accurate targeted content, the more content you have, the more targeted your AdSense will be displayed. Most webmasters and publishers are too busy pay attention to maintaining their site as opposed to making the cash on it anyway, so it is easy for some to create great content to complement their sites.