What should I get, chrome or firefox?

[Bravo]

If you press crtl-shift-n in google chrome, it doesn't track your data, in incognito mode.

not true, that just doesn't leave history

[Ad Bot]

[Legoboss]

not true, that just doesn't leave history

You've gone incognito. Pages you view in this window won't appear in your browser history or search history, and they won't leave other traces, like cookies, on your computer after you close all open incognito windows. Any files you download or bookmarks you create will be preserved, however.

[Unwritten Calender]

do you even know what cookies are
it's still possible for someone to look at what you're doing.