Nathan Myhrvold Live Q&A

Last week we announced that co-founder and CEO of Intellectual Ventures, Nathan Myhrvold, had agreed to do a live Q&A. Earlier today we posted a few of his answers, but now's your chance to hear it directly from him. Mr. Myhrvold will be answering your questions below until 12:30 PDT. Please keep it to one question per post so everyone gets a chance. Update: 04/03 19:41 GMT by S : 12:30pm PDT has come and gone, and Mr. Myhrvold has to move on. Thanks for the answers! Here's a link to his user page if you'd just like to read his responses.