How does not being fully recognised impact on Taiwan?

How does not being a fully recognised country impact on the daily and political life in Taiwan, and why can't we just recognise the prc as having control over the mainland (although disputed) and RC having control over Taiwan (although disputed)?

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��).