People that use memes, such as "rustled jimmies".
It reminds me that facebook, reddit, and new 4chan are ruining the internet, and I feel a pit of despair when I continually re-realize that old 4chan will never return. 2005-early 2006 /b/ was an incredibly fun community to be a part of; even the spam was more intellectual than the deepest posts on the current site, if that makes sense.