demographic semntn based on age, sex, size and structure of family, income and education level.
examples----
Age- Dabur, ITC (cigrette),
sex- Gillete, Sahnaaz hussain beauty parlours, kaya...
when you comb your hair , some of the electrons stick to the comb and charge it by static electricity. a thunder lighting is also an example of static electricity.
I cannot give you examples nor will my personal experience sway you. How about this though; Someone asks you to taste how sweet a strawberry is...you've never had a strawberry so you don't know if...