If you like to travel on cruise ships or you're a recreational boater, there are a number of great apps that can literally help you plot your course and send weather alerts. CBS News travel editor Peter Greenberg has more.

(Photo credit: Getty Images)

<p>If you like to travel on cruise ships or you're a recreational boater, there are a number of great apps that can literally help you plot your course and send weather alerts. CBS News travel editor Peter Greenberg has more.</p>
<p>(Photo credit: Getty Images)</p>

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