If you've already registered, we've emailed you information on how to join the summit via either video or webcast... and a phone number and a PIN code for audio-only. (Don't see it in your inbox? Please check your spam filter.)

For general access, dial +1-425-440-5100 and enter the PIN 301394#. Click here for local and international access numbers. You can also listen live via webcast, from the Program Schedule & Replays page here.