One of the things that the introduction of blogs has done is to cause an exodus of sorts from email newsletters or ezines to online publishers simply publishing the information on their blogs.
It is not too difficult to realize why online publishers embraced blogs so quickly and enthusiastically. Actually the SPAM monster appeared to be slowly squeezing the life out of their online business. To meet the SPAM challenge most ISPs have set up SPAM filters that are so powerful that they quite often filter out mail that has been requested, especially mail of the massive opt-in kind. This has meant an increasing number of bounces and undeliverable mail.
With the arrival of blogs there was an easy way out of all this anxiety. Ezines could easily be posted on blogs and no ISP SPAM filter would touch it. And what is more the email aspect of feedback was not lost because readers could easily post a comment at the blog. The huge advantage over email here was that one could see another readers comment and quickly support or disagree with it. Blogs have actually revolutionized publishing the way no other tool has in the history of mankind.
So have blogs made email newsletters and opt-in email lists obsolete? The answer is a firm