AirBnB may have revolutionised the way people book their holidays, but as the following story reveals, it has its downsides.

We've all heard the horror stories in the news about AirBnB owners installing cameras in their properties to spy on their guests - but Ashley Fryer's experience is almost worse.

She took to Twitter to share what she had found behind a previously-locked door in her family's holiday home as they searched for the modem.

And if you thought she was making it up...

I know what you're thinking: 'crazy Americans'. But nope - this was in France.

The silver lining is that it may have inspired author Jodi Picoult's next novel...