[samstave]

Except.... now you've just shared your birthday through the browser openly with this website.... Defeating the premise of your concern.

[shepherdjerred]

There's a big difference between others simply knowing your birthday because you told them vs others knowing your birthday in some unknown way. How do they know that? What else do they know about me?

[culi]

well not really. People being able to find my info is very different from my browser directly telling advertisers and sites I visit my bday