alt Hacker NewsI don't exactly go around saving advertisements, but plainly informational ones do exist here and there. Off of memory, an example of an indie game trailer I think is well-made is that of Wargroove[1]. It's a simple and clear clip reel of gameplay showing off a variety of content and features, and if I recall correctly, advertisements for it were simply smaller slices of the trailer. I think there's nothing offensive about advertisements like this existing (although, that said, the number of times I wish to see such an advertisement is still exactly once).