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On the fourth day of the search for Malaysia Airlines Flight 370, many are wondering how a massive Boeing 777 can go missing in the age of cellphones, GPS, and constant connectivity. Where is technology in the search for answers? CNN's Brian Todd has that part of the story.
You can also join the search right now. DigitalGlobe, a company which operates commercial-imaging satellites, is using its satellites to take high-resolution photos of the area where the jet might have gone - and inviting anyone to log on to their platform "Tomnod" to view and tag the pictures.