On several occasions I have tried without success to take advantage of special offers on car hire featured on the FB website. Am I just unlucky or is this your experience, mes amis?

Today I tried to reserve a car in UK with National using the promotion code - unknown!

Yesterday Hertz 1,200 mile promotion - never heard of it, said the call centre after I tried the web

Sixt - last week. Ditto as above

AND I am still waiting for miles to be posted after two months from Hertz & Avis in USA and National in UK