Facebook was quite open about using peoples' data. I really don't understand why people are upset that Facebook did what they said they do.
We collect the content and other information you provide when you use our Services, including when you sign up for an account, create or share, and message or communicate with others.
We also collect content and information that other people provide when they use our Services, ...
We collect information about the people and groups you are connected to and how you interact with them,
If you use our Services for purchases or financial transactions (like when you buy something on Facebook, make a purchase in a game, or make a donation), we collect information about the purchase or transaction.
We collect information from or about the computers, phones, or other devices where you install or access our Services, ...
Here are some examples of the device information we collect:
Attributes such as the operating system, hardware version, device settings, file and software names and types, battery and signal strength, and device identifiers.
We collect information when you visit or use third-party websites and apps that use our Services
We receive information about you and your activities on and off Facebook from third-party partners,
We use the information we have to improve our advertising and measurement systems so we can show you relevant ads on and off our Services and measure the effectiveness and reach of ads and services.
Here are the types of third parties we can share information with about you:
Advertising, Measurement and Analytics Services (Non-Personally Identifiable Information Only).
We transfer information to vendors, service providers, and other partners who globally support our business,