Please read the following notice carefully

Todays events are being recorded and may form part of a television programme.
By entering this area/venue you are consenting to our including you in our recording of the programme and you further irrevocably and unconditionally grant us all the consents which may be required for our exploitation of your performance by all means and in all media whether now known or hereafter devised...

Street scene blippers might want to draw up a similar sign to hang round their necks to avoid problems with unwilling subjects – You walk into my shot, you're MINE, Mwahahaha!