There's an Israeli company called Windward that tracks ships, you may be interested in it (I read a profile of it recently that was intriguing.) See e.g. http:

There's an Israeli company called Windward that tracks ships, you may be interested in it (I read a profile of it recently that was intriguing.) See e.g. http://www.wsj.com/articles/ship-tracking-startup-windward-valued-at-about-100-million-1430215202 http://www.wsj.com/articles/ship-tracking-startup-windward-v... and https://pando.com/2015/04/27/the-last-great-analog-frontier-with-new-growth-round-windward-sets-sail-to-digitize-the-high-seas/ https://pando.com/2015/04/27/the-last-great-analog-frontier-...