Brand new shop

You just openned your brand new shop! That was a good deal, this place costed nothing… Maybe it is a little to ankward ? No matter! You have your own shop! Badly, the main room is quite small and people can not even enter if more than 7 or 8 people are in it… And… WHAT ?! A shop just closed because too many people want to go to it ? Heeerr… Okay… So it could be preferable to have at least one free place in the room, otherwise I will be constrained to close my shop too… Okaaaay, this intro is quite weird…. So here is something more comprehensible. So you have a new shop of cellphones and people...