Dear Farhan
i suggest this websites for you
* http://searchenginewatch.com (For Search Engine News)
* http://www.socialmediaexaminer.com (a Good blog for social media... even though, the topics in social media start becoming boring. nothing new, but it's worth check it from time to time)
* http://www.seomoz.org/blog (SEO Blogm)
* http://www.copyblogger.com/blog/ (especially in copywriting)
* http://contentverve.com/ (all about content and conversion)
* http://www.seerinteractive.com/blog (great SEO and SEM blog)
* http://blog.kissmetrics.com/ (Simply, I love it... awesome marketing blog)
* http://www.distilled.net/blog (AWESOME SEO blog... they are partner with SEOMoz)
Hope these list help you
Following Mashable & TechCrunch social media pages are sufficient for following all the news and updates.
However for learning/training.. Google still the best!
