What is the original function of an advertisement? Is it like a movie trailer, serves multiple purposes?
100 + 200 = 300
100 - (-200) = 300
256 128 64 32 16 8 4 2 1
0 0 1 1 0 0 1 0 0 100
0 1 1 0 0 1 0 0 0 200
Something can be an addiction for one person and not an addiction for another person.
The Prohibition of Alchohol in the 1920s did fail.