Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

This file photo taken on March 14, 2013 shows Samsung's new Galaxy S4 during its unveiling at Radio City Music Hall in New York. Samsung's latest flagship Galaxy smartphone goes on sale this week, as the South Korean giant seeks to cement its lead over faltering rival Apple in an increasingly saturated market. The Galaxy S4, armed with eye motion control technology that will pause a video when the user looks away, comes with a faster chip and is thinner and lighter than the previous S3 model.
This file photo taken on March 14, 2013 shows Samsung's new Galaxy S4 during its unveiling at Radio City Music Hall in New York. Samsung's latest flagship Galaxy smartphone goes on sale this week, as the South Korean giant seeks to cement its lead over faltering rival Apple in an increasingly saturated market. The Galaxy S4, armed with eye motion control technology that will pause a video when the user looks away, comes with a faster chip and is thinner and lighter than the previous S3 model.

    JUST WATCHED

    Carriers block smartphone 'kill switch'

MUST WATCH

Carriers block smartphone 'kill switch'

Wireless carriers in the U.S. have blocked an anti-theft "kill switch" on smartphones. CNN's Patricia Wu explains why.

Carriers block smartphone 'kill switch'

Wireless carriers in the U.S. have blocked an anti-theft "kill switch" on smartphones. CNN's Patricia Wu explains why.