Although there are methods to prevent your data from being shared across the web, there’s a host of information that exists which you may not be aware of. This infographic from Hubspot is a great visualisation that describes how much Data Brokerages know about you. If you don’t know what a data brokerage is, here’s a description from Hubspot:

“They compile everything they can from your online and public record activity — from online survey information to social media posts to magazine subscriptions to credit card report headers — and sell that data to others.”