In case you missed the live feed from MIX 11, Channel9 has posted the Keynote videos so far. You can watch each of them by visiting the following links:
Day 1 Keynote with Dean Hachamovitch on IE9 – Click Here
Day 2 Keynote with Joe Belfiore on Windows Phone – Click Here
The first half of Joe Belfiore’s keynote is especially interesting as it concerns the future of Windows Phone with regards to the upcoming “Mango” update due this fall.