The Children`s Online Privacy Protection Act (COPPA) went into effect July 1. The Federal Trade Commission finished modernizing the rule after two years of revisions and four years of input. The act widens the definition of personal information to include persistent identifiers such as cookies that track the online activity of children under 13. The law also bans behavioral advertising and the use of plug-ins such as the Facebook Like button for marketing, without parental consent, without permission.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/kids-revised-online-privacy-act-went-into-effect/