How often is the leader board in a catagory updated?

For example the tennis section. How often is the leader board updated?

Also do the best answers on the leader board count if they were the best answers you got from the questions that went to voting? Like do the best answers only count on the leader board if you were chosen to get them by the person who asked the question?

Thanks!

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).