Can a lightbulb just drop out of the socket?

Yesterday morning we found the bathroom lightbulb on the floor, which means it either fell out or a ghost took it out. Surely if it dropped from the roof it would've smashed. It was a 2 pronged bulb which needs to be pushed into the socket and twisted....can these just drop out?

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…).