On this week's episode Ed chats with Andy Ashburner the founder of Pin Drop. Andy was a Geomob London speaker all the way back in 2014 when the app he created to save locations first took off. Andy provides a unique perspective on progress in geotech since he left the industry for some time. He is now working on a new and improved Pin Drop app that will be designed with users in mind. Ed and Andy marvel at the range of uses for an app like this, and Andy explains how he only found out when he returned to the app himself that many people were still using it. What for? Listen now to find out.