???????????5??24????????????y?屨????????????????????????????????????ó??????(??????“FTC”)???????(???)?????淽????Υ????￠???????棬???鴦???????Ρ?

?????????????????FTC??????δ????????ε????й??“???μ?????”?????????μ???????ζ??????????????????顣????FTC???μ?????????2007?????Doubleclick?????????????????????湫???FTC??????衣

???????????????????????????δ???????????????FTCδ????????

????FTC?????????????????????????????飬?????????????????????????г???????

?????г??о????eMarketer???????????2012????????????г?????150????????????15.1%???г????????Facebook?г?????14.6%?????2014??????????????г??????????20.7%??

???????????????????????????????????￠????飬??????????????????????????????????????????????У???豻??????????????????ε???????????????????????