Matt Cutts quotes:

Google (and pretty much every other major search engine) uses hyperlinks to help determine reputation. Links are usually editorial votes given by choice, and link-based analysis has greatly improved the quality of web search.

Everybody thinks their website is above average.

When you've got 5 minutes to fill, Twitter is a great way to fill 35 minutes.

I'm a bit of a connoisseur of Google criticism.

Thirty days is just about the right amount of time to add a new habit or subtract a habit - like watching the news - from your life.

SEO is not synonymous to JUNK E-MAIL.

Guest blogging is probably the sort of thing that you should be thinking about doing in moderation.

If you have an outstanding product, world class content, or something else that sets you apart, then you can step back and start thinking about how to promote it.

Mobile is important, and coming faster than most people in this room realize.

We want people doing white hat search engine optimization (or even no search engine optimization at all) to be free to focus on creating amazing, compelling web sites. As always, we'll keep our ears open for feedback on ways to iterate and improve our ranking algorithms toward that goal.

The next 30 days are going to pass whether you like it or not, so why not think about something you have always wanted to try and give it a shot for the next 30 days?

In principle, there's nothing wrong with the concept of an infographic. What concerns me is the types of things that people are doing with them. They get far off topic, or the fact checking is really poor. The infographic may be neat, but if the information it's based on is simply wrong, then it's misleading people.

Make your links from blog comments genuine.

The objective is not to "make your links appear natural"; the objective is that your links are natural.

Think about what a user is going to type.