There are several popular services like technorati.com, icerocket.com, weblogs.com, my.yahoo.com and many more, that actually crawl, index and publish your content on their records. Getting noticed by these sites increases chances for your blog to be popular among people refering these services. This can increase traffic to your blog and can get you some genuine subscribers to your content.
Approaching these services can either be manual or automated. You can handpick few popular web log engines and update your blog there or you can just reach most available services under one roof.
Yeah that's possible. Its convenient and saves a lot of your time and efforts. Just enter your blog related details and the site will ping or notify a number of services that keep track of weblogs and publish them. Its that easy.
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