From the webpage:
Basho’s VP of Engineering runs us through the tenets of Dynamo systems. From Consistent Hashing to Vector Clocks, Gossip, Hinted Handoffs and Read Repairs. (Recorded on October 13, 2010 in San Francisco, CA.)
You may want to compare the presentation of Andy Gross at Riak Core: Dynamo Building Blocks. Basically the same material but worded differently.