How do you recover data from damaged devices?

Could cell phone video survive the crash of Germanwings Flight 9525? CNN's Dan Simon shows us a company that says it can recover data from damaged devices.

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FROM A PHONE THAT CRASHED IN
THAT HORRIFIC EXPLOSION?
DAN SIMON IS OUT FRONT.
>> Reporter: IT SEEMS INCON
PREHENCEABLE THAT A CELL PHONE
COULD EXTRACT VIDEO.
>> ANYTHING THAT STORES DIGITAL
DATA, WE CAN RECOVER.
>> Reporter: IT BEGINS IN PLACE
LIKE THIS.
>> POP OFF THIS CABLE.
>> Reporter: ONE OF THE LEADING
DATA RECOVERY CENTERS IN THE
WORLD WHOSE CLIENTS INCLUDE
APPLE AND THE FEDERAL
GOVERNMENT.
THEY CAN EXTRACT DATA FROM ANY
DEVICE NO MATTER HOW BADLY
DAMAGED.
>> WE HAVE TEXT MESSAGES AND
CON
CONTACTS.
>> Reporter: THIS PHONE GOT RUN
OVER TWICE BY CAR OR THIS CAMERA
SITTING AT THE BOTTOM OF THE
OCEAN FOR AT LEAST A YEAR.
>> EVERYTHING THAT'S IMPORTANT
TO THEM, AS FAR AS THE DATA
LIVES ON ONE CHIP OR A COUPLE OF
CHIPS INSIDE THE DEVICE.
THAT'S NAN FLASH THAT STORES
DATA.
>> Reporter: IT'S EXTREMELY
DURABLE.
>> IN MOST CASES DOES THE CHIP
SURVIVE A MAJOR CRASH?
>> IT DOES.
EVEN IF THE DEVICE IS BURNED OR
SMASHES OR CRUSHED OR WET, IF WE
CAN EXTRACT THAT ONE CHIP OR SET
OF CHIPS, WE'LL BE ABLE TO GET
THE USER DATA OUT OF IT.
>> Reporter: EARLIER IN THE DAY
I TOOK VIDEO OF THE GOLDEN GATE
BRIDGE, WHILE MY PHONE WASN'T
DESTROYED, THE PRINCIPLES REMAIN
THE SAME.
GETTING TO THE CHIP VERY DEEP IN
THE PHONE AND PUTTING IT IN A