Tips to Increase Earning from Adsense

This tips, actually is a tip which is usual thing to be optimized by blogger, are I have received from Google Team through email. The tips is sent to bloggers to make more money in easier way. The tips in making adsense earning increasing are:
Switching text and image advertising option. The images which are rich media ads generally result in higher eCPMs than text ads. AdSense will automatically display the ads that will yield the highest earnings for us
Implementing wide ads format. Wider is better. Wider ad units allow for more horizontal text than their narrower counterparts, and as a result, are easier for users to read and interact with. The size which are commonly considered as the best formats are medium rectangle which is 300x250, wide skycraper which is 160x600, and learderboard which is 728x90 .
Considering the best place to take the advertisement. Certain locations deliver higher earnings. Take a look at the heatmap of our blogs to see which areas of the page are likely to perform the best for delivering advertisements
Adding the link unit. link units provide complimentary, space-efficient advertisements for monetizing smaller areas on your site. Link units are just as simple to configure and insert into your site as regular ad units and take up very little real estate as well. Each link unit displays a list of topics related to your site’s content, similar to a regular ad unit. When a user clicks on one of these topics, they’re brought to a page of contextually relevant AdSense ads. As a publisher, we’re paid for any clicks on this resulting page