Mashable.com every internet user would have come across this site atleast once.This site has got 430,000+ facebook fans viewing everyday.The widely popular Mashable.com is social media news blog created by pete cashmore.
Not only just Mashable there are quite a number of good blogs but this one is my personal favourite.Every blogger can learn from mashable to improve their service.
1.Be live / Be frequent
3. Design and Performance.
4. Be accessible