not just that, but also that it's personalized so in theory more effective
> changes the outcome of a voting in a negative way
indeed, i don't know that that has been shown to be true.
but keep in mind there are two powerful ways to influence:
1) sway a fence-sitter's opinion 2) get a believer to vote who otherwise wouldn't have voted
Both points you mention also are valid for 'legal' propaganda.
You don’t see the difference between a politician buying ads for themselves and a foreign company illegally using foreign persons to carry out campaign activities [1] ?
[1] http://www.chicagotribune.com/g00/news/nationworld/ct-cambri...
I too use the Internet to help spreading ideas I think are important. Those are not always in line with the current political agenda but important to me. Is that a bad thing now that I use my time and money to help change?
How about political funding? Does that not qualify as foreign interference in elections when politicians get foreign funds?
In most countries this is illegal. Foreigners generally can't make campaign donations.