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@Andy Drinkwater I checked for htacess, but could not find any clue, the website is in flat php.

Hey Guys, 
Need your suggestions.
I have got a website that has duplicate content issue. 
a sub-domain called facebook.asherstrategies .com comes from no where and is getting indexed. 
Website Link : asherstrategies .com
subdomain link: facebook.asherstrategies .com

This sub domain is actually a mirror of the website and  i have no idea how is is created.
trying to resolve the issue but could not find the clue.

I have a few sites where I didn't manage the quality of my vendors and now am staring at some GWT warnings for unnatural linking. I'm assuming a penalty is coming down the pipe and unfortunately these aren't my sites so looking to get on the ball with unwinding anything we can as soon as possible.

Does anyone's company have experience or could pass along a reference to another company who successfully dealt with these issues? A few items coming to mind include solid and speedy processes to removing offending links, and properly dealing with the resubmission request?

winner, winner, chicken dinner. Interesting article. Anyone have experience testing these? Bing/Yahoo can definitely be worth it to my sites & clients if the keywords are broad enough. I've also noticed how my Google & bing/yahoo results only have loose correlation. Interesting to see if I can boost bing w/o trashing G results