Has anyone outsourced work tasks to another country and was it successful?

For example database work, research, etc.
I'm reading a book that reccommends it for certain tasks, and wondered if it worked well in practice. The example the book uses is outsourcing personal assistant type activities to India, and they are very positive about it.

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…).