Used by Fb to deliver a number of ad products and solutions which include true time bidding from third party advertisers.Utilized by Fb to deliver a number of advertisement goods which include real time bidding from 3rd party advertisers.2.40€ ???????? ??? ?????? u03a7u0391u03a1u03a4u039fu039au0399u0392u03a9u03a4u0399u0391 u03a3u03a5u03a3u039au03