A friend and I arranged to meet for lunch. After a couple of emails we settled on a venue and time. I went there and waited and waited, and eventually went home. (I had left my phone at home, which was a bit forgetful of me....blame the cog fog...)
She called me later and we discovered that we both went to the right place at the right time, but she waited inside, while I waited outside.
 
We had a good laugh, and will try tomorrow!