Example: Google Privacy Policy

What information is collected about you?
– Personal information like name, email address, credit card, telephone number etc. that we provide to create an account.
– Service we visit a certain a website. Use it for advertising.
– Device information: hardware model, OS, network information(IP address) etc.
– Search queries
– Who we call? For long we talk?
– Cookies
– Location information
– Applications

How is collected information used?
improve user experience (personalization)
for serving you targeted advertisements – we can set ad preferences

Who do they share it with?
with opt-in, can share with companies, individuals and organizations outside of Google.
Domain administrators and re sellers who provide user support to your organization can get certain information about you that you give to Google.
Affiliates and other trusted businesses or persons with appropriate confidentiality and security measures.
For legal reasons.

Information security
-many services use encryption
-stronger authentication(two factor)
-Other safeguards

Changes to privacy policy
-Will not reduce user rights without your consent

Facebook Privacy Policies
Do companies adhere and operate according to the privacy policy you gave consent to?
Not really, Facebook had issues and actually the US Federal Trade Commission went after it for violation of user privacy.