Way back in early societies, people used ghosts to explain things that they couldn't understand.
how long has deforestation been around
As long as guns have been around.
Casper the Friendly Ghost debuted in the children's book "The Friendly Ghost" (1939) and a cartoon with the same name in 1945 .
As long as So Random has been around.
how long has the london eye been around for
234 years fool
how long have boxing been around?
boner
They have always been around
Ghost power may be acting on a circuit if it has a capacitor or transformer connected. This will supply power long after the input has been disconnected.
For as long as there has been written language.
it has been around for a long time.