I am on the internet.
Others use me to troll.
There are many things I will never do.
What am I?
I only show up on the internet. Nowhere else. Not even in your mail.
I am a video.
Rick Astley - Never Gonna Give You Up
I am on the internet
Right here: https://www.youtube.com/watch?v=dQw4w9WgXcQ
Others use me to troll
If you've been living in the cave for the last decade, see https://en.wikipedia.org/wiki/Rickrolling
There are many things I will never do
Some examples of things he'll never do are giving you up, letting you down, running around, deserting you, making you cry, saying goodbye, telling a lie, and hurting you.
On the internet
Spam is usually found on the Internet
Others use me to troll lol
Spam can also be used in random websites to annoy people or can "spam" stuff to other people as a troll
Never do much things
Spam doesn't really do much... it is just an advertisement that is most likely unneeded