That would be a Thesaurus.
Answer: I think if you are not joking than try to use less the modern technology.
Explanation:
#1, as a “drop” is just a small amount to the whole bucket in this metaphorical sentence. So it’s too small to make a difference because just $20 will not help much with running a entire magazine company/printing
Answer: "AC has distinct advantages over DC, so AC won the War of the currents."