thank you all, jon erlichman at the conference, david kirkpatrick, and adam berke. facebookad, how will actually make money from its new mobile ad network? we will hear from a company who works with app developers to make facebookads. and watch a streaming on your online, and apple tv. ♪ >> i'm emily chang. this is "bloomberg west." new zuckerberg announcing anonymous login options and more ways for developers to make money off of apps at the f8 developers conference. jon erlichman has been at the conference all day and joins us now. >> that's one of the headlines. another headline is facebook is creating this ad network, getting into the same game as google and twitter. what does that mean? earlier, we spoke with someone who helps create ads for retailers. >> the ad network means that you can use all this data that facebook makes available for targeting on facebook. you can use that to target people in mobile apps off of facebook. if i am a game developer, if on the huffington post or a publisher, i don't need to know anything about my users. i don't need to collec