AdLab has some detail about the already-old-news Avatar/McDonalds upload-my-face thingie, running in Europe.
Obviously this has been done before - from "Simpsonize Me" to M&M's to Dexter and back again - but at least this time we have some stats:
- 4 million user sessions
- nearly 10 minute session time
- about 1 million shares via email/social network post