Matt Cutts: Is it still important to offer a site map to users?
Topic: Is it still important to offer a site map to users? – Quick Answer: Yes
Matt Cutts: What can I do if a competitor is spamming?
Topic: What can I do if a competitor is spamming? – Quick Answer: File a spam report with Google
Matt Cutts: Does the ordering of heading tags matter?
Topic: Does the ordering of heading tags matter? – Quick Answer: Not really
Matt Cutts: Does the PageRank of Twitter profiles matter?
Topic: Does the PageRank of Twitter profiles matter? – Quick Answer: Yes, if you want your Twitter profile to rank. No for the outbound links
Matt Cutts: Can too many redirects from a single URL have a negative effect on crawling?
Topic: Can too many redirects from a single URL have a negative effect on crawling? – Quick Answer: One or two is fine, any more than five and Googlebot will probably not follow. Avoid mixing 301 and 302s as well
Matt Cutts: How does required duplicate content (terms and conditions, etc.) affect search?
Topic: How does required duplicate content (terms and conditions, etc.) affect search? – Quick Answer: As long as it’s not spammy and keyword stuffed then you shouldn’t stress about it. Google understands lots of sites need boiler plate content.