Maps 2014 (2) marinetraffic

 We usually think that maps can portray what has existed in a past moment or what could come into existence in a future. Up until now it was far less common to have dynamic maps of what was happening. This is precisely what does, exploiting data from the Automatic Identification Systems that are compulsory for any ship over 330 tons (this is the reason why most smaller ships do not appear).