- , , . 1916 1930-, , , , . 1932 ; 59,85%, 59,14 %.
1936 , , , . 1936 . , 50-70 , , 70% . , : , , , , , , , , , .. , , - , .
30- 80- . : , () . , , .
, 1970- 96% - , - .
, , Louis Harris & Associates, : , , [34].
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, 1980-, . :
1960-: The ARPANET.
1970-: , .
1980-: , , , .
1990-: , , .
Georgia Institute of Technology, 1994 ; - . , web- [45] , 1994 , . 1995 The SRI International: . , , .
ESOMAR , 1995 Journal of the Market Research Society. , 1997 , , , , . , , . 1998 the Market Research Society , ! . . , , 1995 : ? - ?. 1996 . , , , , . 1997 , . , , 1997 , : ?. 1998 , .
1996 , , , , . , , , .
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, 1997 1998 . 38 , . 74% , web- . ? (58%) , 40% - , , 16% - . , . , 12 , 11 [12, c.45-46].