These three buttons which are now located in the Meta section of the sidebar under the line RSS feeds. If you are using a particular RSS reader like Netvibes or Google you can now add my blog in a simple click.
You can also put my RSS feeds to others aggregators via Feedburner. I hope you will like these new possibilities.
According to Wikipedia :
In computing, a feed aggregator, also known as a feed reader or simply as an aggregator, is client software or a Web application which aggregates syndicated web content such as news headlines, blogs, podcasts, and vlogs in a single location for easy viewing.
Still to the same website, aggregators are useful as :
(They) reduce the time and effort needed to regularly check websites for updates, creating a unique information space or “personal newspaper.” Once subscribed to a feed, an aggregator is able to check for new content at user-determined intervals and retrieve the update.