Any operator - particularly anyone who has been in the industry for any time will appreciate customers come in all shapes and sizes. Some are easily pleased some see themselves as budding Jay Rayner's - and everything in between. It has always been thus.

But social media has changed the rules or the dimensions of the playing field if not the game itself.

There are some home truths that should be remembered in the midst of all the furore:

• Customers try places - they will have a view - they will...