Google collects the most amount of data out of its users, according to a new study done on companies that collect them.
The study by StockApps goes through a list of companies that deal with user data, and categorizes them according to the type of data they collect.
Unsurprisingly, Google tops the list and collects 39 different types of data from its daily users, across its products and services.
Google stores data across several domains, including a lot of private data like browser history, location history and user activity on third-party apps. It also stores all emails from Gmail accounts.
After Google, Twitter is the biggest harvester, collecting 24 different types of data from consumers.
"Twitter and Facebook both save more information than they need to," read the report. "However, with Facebook, most of the data they store is information users enter."
Amazon is next on the list with 23 different types of data, and Facebook slots in fourth with 14 different types of data.