down,nstagram did slow it but ultimately where are the users growing?uent, dominant, tear when markets in the world. facebook is growing from around the world and lower value users are the incremental users coming to the platform. if you can start to shift ad dollars over, you can move it in a meaningful way. now fast food giants have placed big bets on technology with the aim of getting a competitive edge. bloomberg has more on the story. >> the automation wave has it has whetted the appetite of your lunchtime favorites. mcdonald's is the latest company to take advantage. they have begun testing mobile payment in u.s.emen cities. it says all its restaurants will be equipped to handle mobile orders later this year. the creator of the big mack is late to the party. chains haveood adopted this technology to boost sales. domino's is the leader here. the company has been emphasizing all the ways you can order pizza with minimal human contact and maximum digital contact. it has introduced ordering methods through facebook, twitter, emojis, and the apple watc