To clarify, when you say "what Chrome does", you describe what Chrome does if you sign in. The article doesn't say prior history won't be collected, and the gr

To clarify, when you say "what Chrome does", you describe what Chrome does if you sign in. The article doesn't say prior history won't be collected, and the grandparent didn't say it will be. If you want to be pedantic, someone installing Firefox from the main download page probably won't have any prior history.