: They often collect your IP address, device information, and search habits to sell to third-party advertisers. How Facebook's Privacy Works

But do these tools actually work? The short answer is . In fact, 99.9% of these so-called "viewers" are scams. The remaining 0.1% are illegal hacking tools that will likely infect your device with malware or land you in legal trouble.

But do these magical tools actually work? Or are they feeding on your curiosity for a much darker purpose?

: This is a phishing tactic used to steal your own account. Legitimate Ways to View Content

The Myth of the "Facebook Private Profile Photo Viewer Free"