Need Help! Can't find the "invite new friends" link.

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In the FAQ section, they say there is a "invite new friends" link located in the bottom left of my page. But I can't find it anywhere in mylot page. Anybody can tell me how to find it? Besides, is there any marketing tool here in mylot to help us getting referrals? It seems that the referral link http://www.mylot.com/?ref=name doesn't work.