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Shark-watchers turn to Twitter
New tracking technology allows shark-watchers to track their favorite ocean inhabitants online, with the two most popular Great Whites racking up a combined 100,000 Twitter followers. NBC’s Kerry Sanders reports.
Jose Diaz Balart
Greater Latino representation at DNC04:06
RNC and DNC showcased different Americas04:17
Fact checking Clinton's DNC speech02:43
FDA to change blood donation policy over Zika03:42
Clinton 'understands' the plight of the poor02:41
Should Clinton campaign as Obama 2.0?05:34