<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
Are there any messaging apps that are believed to invade users' privacy?
<|assistant|>
Yes. Many messaging apps have been found to be collecting and selling users' personal data, including WhatsApp, Google Allo, and Facebook Messenger. Furthermore, some apps have been discovered to be invading users' privacy by downloading malicious software on their devices and tracking their behavior without their consent. Examples of such apps include Fitbit, TikTok, and WeChat.