What is the difference between a honey bee and a bumble bee?

I notice that the bumble bee seems to work alone and not part of a community hive. Do they have hives ? or are they loners in the bee world. What are there purpose and habits.

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��).