Google, being the undisputable leader in search engines from then until now, is placing a high importance on the quality and relevancy of its search engines. Most especially now that the company is public property. In order to keep the shareholders and users of its engines happy, the quality of the returned results are given extreme importance.
For this same reason, doing the wrong things in the Adsense and other forms of advertisements, whether intentionally or unintentionally, will result in a severe penalty, may get you banned and even have your account terminated. Nothing like a good action taken to keep wrongdoers from doing the same things over again.
So for those who are thinking of getting a career in Adsense, do not just think of the strategies you will be using to generate more earnings. Consider some things first before you actually get involved.
Hidden texts. Filling your advertisement page with texts to small to read, has the same color as the background and using css for the sole purpose of loading them with rich keywords content and copy will earn you a penalty award that is given to those who are hiding links.
Page cloaking. There...