Prof. Rein Ahas held a video lecture 8. Mar 201912. Mar 2014 by Kristiina Paiste Rein Ahas – professor of human geography in University of Tartu – held a public lecture entitled “How does the smartphone in my pocket changes geography?” in Tallinn English College on 3rd of March 2014. It can be seen here: http://www.uttv.ee/naita?id=19371 Lecture is in Estonian.