Which rule is better to follow for small community tropical fish?

Which rule is better to use for stocking your tank?

"1 inch of fish per 1 gallon of water"

OR....

"12 square inches of surface area per 1 inch of fish"

? 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��).