I don't really think it's really "usefull", Why do you want to take soo many time to write text and let it be skipped?
Something you should try it's a journal, that you can read old important text to remember...
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You shouldn't fear your hard work being missed or not noticed at all. Its kinda of a rule of mine, like when making a breif you can't fear your text going by too fast cause you will just end up with slow animation that looks like crap.
In the game some of the neatest things is the stuff you don't notice at all. Because instead you ither don't realize there is a problem where one would normaly be, or the next time around you see it and your like WOW I didn't notice that. I have spent hours doing things that people don't even notice when they actually play the map. I belive it is those little things that truely make it great.
On topic. I think a foward button is a good idea. The problem is i'm personally not too interested in a map that would require one. Unless you have alot of text it would just appear to be extra junk. Like "wtf is this dropship for?"