How to increase PR of sites?

Few online sites which increase knowledge and skills.?

I have completed my MBA in marketing. I spend most of my time online and after checking mails end up playing online games. Could you all please suggest any good sites which are fun and increase career skills etc. also mention few sites related to the field of marketing since i am from that background. i dont like reading a lot. so please avoid sites that are only reading sites. i want some sites that are interesting and fun and also intellectual at the same time so that even if i pass hours online i have done something to improve my brain and skills. PLEASE IT IS REALLY NEEDED. THANKS.
Answer:

there is wikipedia/wikiquote allinterview.com economist.com I'm sorry to give an incomplete answer,but unfortunately you have not provided that you want to read on what topic

idontkno... at Yahoo! Answers Visit the source

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