Here's a short essay on lettering in comic books. The gent who did it knows a lot about his subject but no one seems to have told him that nobody in the business ever refers to the shape around the words as a "bubble." It's a "balloon." The word "bubble" refers to the bubble shapes that serve as a pointer on a scalloped-edge thought balloon (one that tells us what someone is thinking rather than what they say). Other than that, good video…