Well, SEO strategies are almost the same with few like Article marketing has taken a backseat. You should participate in forums which will keep you updated with latest in’s and out’s of SEO. Social media reputation and Freshness algorithm is the latest updates in SEO. Google has started considering data from social media platforms while ranking.
I read an informative blog about SEO killer tips from Matt Cutts himself
http://www.keywordcountry.com/blog/g...is-kidnappers/
Hope this helps!
Here are merits of doing SEO
-SEO targets customers locally as well as globally
-Increase visibility of a website in search rankings
-Organic way of gaining traffic
-Provides maximum exposure to website
-Makes your site accessible to users
-Faster loading pages