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You can definitely mention it, just don't make the homepage all about gastric band hypnotherapy. The trouble comes when both pages are targeting the same phrase.

1. Use the canonical tag. The assumption is that whatever rankings you may have garnered for the "small pack" version would now simply land on the other page. The duplicate content implications are far greater than the potential loss of some rankings. 2. Yes, use the canonical tag on the /index to point to just http://www.yoursite.com/

Try these. http://www.warriorforum.com/articles/604637-link-building-secrets-top-social-bookmarking-sites-do-follow-links-high-page-rank.html [edited by staff to remove URL shortener]