Lesson #1810 - Graffiti, Part II

I particularly like to think of someone making an initial integral tag and someone else coming along and adding the "+ C" because the first person forgot it. But that's because I'm an idiot and I like to think about stupid nerdy things.

STW PAGE-A-DAY CALENDARS: The campaign ends in less than 84 hours! If you want in, don't miss out (or just go back through the updates and enjoy the five different raptor videos)!