Make your links from blog comments genuine.
Mobile is important, and coming faster than most people in this room realize.
Think about what a user is going to type.
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.
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.