It's quite simple, I work for a multinational company with offices in about 100 counties. Add 20 or so countries in Europe which are easy enough to visit for a

It's quite simple, I work for a multinational company with offices in about 100 counties. Add 20 or so countries in Europe which are easy enough to visit for a weekend break and 50 is quite a small number. Most people I know have visited at least 10 counties in the last 10 years, and many have visited 20+, just for tourist purposes