NASA’s current logo dates back to 1959. It’s sort of a mess—a wonderful, retro-nostalgic mess—that’s hard to reproduce and doesn’t scale well. In fact, NASA even changed to a different logo that lasted almost 20 years before switching back. What happened?

Since the announcement of Hillary Clinton’s presidential campaign was no secret, it was her campaign design that was the big reveal of the week. The giant blue H marched its way to the forefront of the breaking news, but at the center of Clinton’s logo is another, far more critical graphic element: The arrow.