Matt Cutts: How can I learn about the technologies used at Google?
Topic: How can I learn about the technologies used at Google? – Quick Answer: Read the papers and literature. Check out Jeff Dean, Urs Holzle, Luiz Barroso
Matt Cutts: Will Google improve its crawling of AJAX?
Topic: Will Google improve its crawling of AJAX? – Quick Answer: There is a team working on it. In general Google can handle some AJAX
Matt Cutts: Can product descriptions be considered duplicate content?
Topic: Can product descriptions be considered duplicate content? – Quick Answer: Yes, try to add unique value
Matt Cutts: Will my site’s ranking be hurt if I use HTTPS instead of HTTP?
Topic: Will my site’s ranking be hurt if I use HTTPS instead of HTTP? – Quick Answer: No
Matt Cutts: When are penalties lifted?
Topic: When are penalties lifted? – Quick Answer: After recrawling. Perform a reconsideration request first