Mystery mail

Today I was asked for directions three times. Three completely different people sized me up and decided that I look like the sort of person who knows (a) where to get shoes repaired, (b) the location of particular café and (c) how to get to the cemetery. As it happens, all three were right, although my directions to Mrs Broken-Shoe were a bit vague. The easiest one was the woman who stopped me as I was walking past and said, "Excuse me, I'm not from here and I'm meeting a friend at a place called Logan's. Can you tell me where it is?" I thought she was joking at first, but eventually I pointed to the big sign not two metres behind her that clearly said "LOGAN'S". She was quite embarrassed, but we had a laugh about it.

I received a postcard in today's mail. I saw the picture side first and wondered which of my friends was wintering on the Gold Coast. Then I turned it over and read the following message printed in a handwriting font:

Dear Miss Daisyname,

It's amazing up here. Just been for a surf and Daniel stood up for the first time! Will email you a pic from the road...

Patrick & Daniel

What? I don't know any Patrick or Daniel. I suspect advertising, but I don't know for what.