Have I Been Sold? - Check if your email address was sold without permission
Kaggle - Kaggle offers innovative business results and solutions to companies.
Optery - See the private info data brokers post about you online
Crowd AnalytiX - Crowd AnalytiX is a data science community and a perfect solution for businesses that want to take advantage of AI but don’t have the in-house expertise or resources.
Creep Alert - Check if friends or colleagues track you via email
Machine Hack - Machine Hack is the Machine Learning competition and assessment platform that makes it easy for data scientists, engineers, and business professionals to learn, compete, and get hired.