Problem 2-Listen and talk yakyak Natural scheme - listen before you talk k Works well in practice s But sometimes breaks down when two want to speak at the same time k Why? How do we fix/ prevent this? 2021/2/9Problem 2 – Listen and Talk  Natural scheme – listen before you talk…  Works well in practice  But sometimes breaks down when two want to speak at the same time  Why? How do we fix/prevent this? yada yada… yak yak… 2021/2/9 7