( 20860 )
↓
, . , : , , , .
, Science, , , .
, -, , 30 .
, . , . — 13 .
. , . - – , - . , ? , , . -, , .
, . , 30%.
(Institute of Leadership and Management), , 2500 , , . — BlackBerry iPhone, , Daily Mail. , , . , .
- . , , . , . : . , : .