Look at me!
Ads are designed to be looked at
Funny, Sad or Bold;
A possible way to categorize ad content.
I'm just like clickbait, but range from times that are old.
Clickbait titles are a form of Ad, ads are designed to draw attention more than be accurate.
You may see me while travelling, surfing, watching, and sometimes you won't even know I'm there!
Travelling: Billboards, surfing(the web): banner ads, Watching: Tv Commercials, Don't notice: Subliminal Ads
If you don't then I can really make you care.
There are thoughts that Subliminal advertisements are more effective than their blatant counterparts
When associated with some, leaves me often banned.
This could be "some leaves" which would specifically target Tobacco, or it could just be a reference to how certain things aren't allowed to be advertised.
Although I may seem random I'm carefully planned.
Some ads don't appear to make much sense on the face, but pretty much all are the result of much time spent by a marketing department.