They have a further reach than just the area they are in. They can access social media, websites, and news outlets with the internet. It can save time and money as well. A wide range of audience is available via the internet. People in current times seem to be highly influenced by the internet. Those are just a few ideas that came to mind. If you have multiple choices, list them. You can also stick around a little bit and see what others have to say.
They can reach waaayyyyy more people with their message. For example, I don't watch TV, but if I see an online article, video, or social media post about a politician that I'm interested in, I'll look at it. In fact, the majority of what I know about politics I know from the internet. I can easily choose from candidates by Googling their platforms and reading their ideas straight from their campaign websites. It just makes information readily available to the public.
I would consider a 3 or a 4 in difficulty. I'm considered a "gifted reader". I read Harry Potter in 4 hours in 3rd grade and "War and Peace" and "Anna Karenina" in 6th grade. I'm in 9th grade right now, I breezed through my AP ELA Class in 2 months getting a final grade of 98%. I'm currently reading Ulysses.