being spread to the rest of the world. the arab spring wouldn't have happened without twitter and without social media. so it's having a huge economic impact on america and the rest of the world. but also taking our ideals around the world as well. >> 750 million facebook users and it would be the third largest company. thanks for coming in and celebrating social media day with us. >> thanks for having me. >> let's go outside to the guys. >> all right, ali, thank you very much. fire up the grills, the fourth of july is just a couple of days away. who better to teach us how to throw a backyard barbecue to make your neighbors jealous than the world famous famous dave. dave anderson of famous dave's is live on the plaza today. thank you very much for providing all the food that we've had during the summer concert series. we're really excited to be here and we are going to be putting the swayback in the grass skirts because we have an exciting hawaiian barbecue sauce that we'll be sharing today. >> by the way, the goals acoals