emily: jay kahn, as always, thank you. takingup, autodesk is chat bot to a whole new level.ny is pumping ai tech -- tech into its virtual assistant, next. this is bloomberg. ♪ this is bloomberg. ♪ emily: a new study says facebook is losing it's cool with american teenagers. three years ago, it was the dominant social network with 71% visiting the site. now, only 51% of american teens are using facebook. among the sites that are more popular, youtube, snapchat, and instagram which is owned by facebook. autodesk makes software for the construction architecture design and manufacturing industries and has unveiled a new version of its virtual assistant called eva. combines things to recognize face to face human signals from customers going beyond the capabilities of traditional bots . she will tell users if they turn their camera on, she will be able to see them. here to talk about the technology, rachel record, director of machine assistance at autodesk. what can ava do from a consumer perspective? how will this serve me? rachel: let me take you back to where we started with av