First from a series of three videos from the Squeak BOF at OOPSLA 2007 by Göran Krampe. For details and hires video see http://goran.krampe.se/blog/O​OPSLA/OOPSLA07-1.rdoc

1. (0->17:20) A short introduction to CAT, a new parser framework by Jamie Douglas.
2. (17:20->1:02:30, end) An improvised presentation and demonstration of the OLPC XO machine by Bert Freudenberg with some assistance from Yoshiki Ohshima, also 40 seconds on the next tape. :)