Don’t follow the leader: Avoid these 5 common SEO mistakes
Keeping an eye on the competition is good - but don't assume that they are doing everything right.
Something I frequently find is that some websites are ranking well DESPITE some of the things they do, not because of them.

+Search Engine Land wants you to know about 5 SEO mistakes the big guys make that you should not emulate:
http://searchengineland.com/dont-follow-leader-5-common-e-commerce-seo-mistakes-avoid-281848
Shared publicly