Matt Cutts: Do you recommend using special characters in URLs?
Topic: Do you recommend using special characters in URLs? – Quick Answer: No
Matt Cutts: Does Google think the world will end in 2012?
Topic: Does Google think the world will end in 2012? – Quick Answer: No official position on this
Matt Cutts: How does Google treat Advertorials?
Topic: How does Google treat Advertorials? – Quick Answer: Paid content must be disclosed to users and the links no-followed. Google will take action if not.
Matt Cutts: How much wood could a Matt Cutts cut?
Topic: How much wood could a Matt Cutts cut? – Quick Answer: Just the spam wood.
Matt Cutts: Does Google remove the PageRank coming from links on pages that no longer exist?
Topic: Does Google remove the PageRank coming from links on pages that no longer exist? – Quick Answer: Yes
Matt Cutts: Will changing the code and layout of my pages while moving to new URLs affect their rankings?
Topic: Will changing the code and layout of my pages while moving to new URLs affect their rankings? – Quick Answer: It can do. Do some tests on certain pages