Sean ‘Diddy’ Combs and Jennifer Lopez are among a host of stars who have been warned by US authorities about their promotion of products on social media. Last month, it emerged that officials at America’s Federal Trade Commission FTC had written 90 letters warning stars and executives about advertising products on social media. FTC guidelines prohibit stars from promoting products if they do not disclose that they have a financial interest in doing so. U.S. authorities have now … Read entire article »