I use it mainly as a means of recording in detail then looking back at previous trips. I only wish I had learned how to Blog before travelling half the globe.
Family and friends follow it when I am away and you are welcome too if you have the stamina. The only diarrhoea I suffer from abroad is the verbal type!
A 2018/9 update: after a travel blog hiatus I’m going to try to blog from Colombia which wifey and I will be spending January exploring.