SUBJECT: Stalking yourself Smart-phones allow people to do many activities, included know where they are thanks to their GPS antenna. There are many apps for smart phones that track our movements and most of these have been developed to check outdoor fitness activities. However, the stored data will be also useful to make statistic researches as well as to study people movements. In this tutorial we will try to process these GPS data in order to understand how many time the “test subject” (let’s call him Matteo) has passed in a specific area of Barcelona. ASSIGNMENT#2 – SILVERIO