Beneath are basic questions which will be asked by a developer wanting to use BrowserID. They are arranged in order of importance. For each question there are two answers which represent the two competing API proposals (nicknamed the garfield and odie proposals).
You need to add a button to your site that, once clicked, will make a javascript call to prompt the user for and identity. You need to call a function at the time your site loads to check to see if a user is already (persistently logged in). Finally, these client side functions provide you with an assertions that you must implement a little bit of server logic to verify.