[MP4, 21 minutes]
Followup links:
New York Times Privacy Project: many good articles
Corporate Surveillance in Everyday Life: Report from Cracked Labs
How Facebook tracks even non-users
How Google tracks your purchases
Martec digital marketing landscape
FTC report calling for greater transparency from data brokers
Comprehensive and insightful article about digital ads, with link to full report
Recent article about data brokers and what they do with your data
Research paper about predicting depression from social media posts
Check to see if your personal accounts have been breached
Review and clear Google's records of your recent browsing history
Change Facebook ad settings
List of company pages to opt-out of data sharing
List of data broker sites and how to opt out