Easy to identify the language of words easy linguistic symbols to identify the basic character identifier unsigned integers, operator and community site.

识别简单语言的单词符号识别简单语言的基本字、标识符、无符号整数、运算符和界符。

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However, no parental notice and consent is required when an operator collects a persistent identifier for the sole purpose of supporting the website or online service's internal operations, such as contextual advertising, frequency capping, legal compliance, site analysis, and network communications.

ENGADGET: FTC introduces changes to Children's Online Privacy Protection Act, parental permission now required to collect information