reddit calls itself "the front page of the internet". It's a bulletin-board-like domain with lots of sub-categories, easy posting of items, and one-click voting for or against those items. Popular articles and photos percolate "upwards". Tools exist to sort and view them in various dimensions. It's a fast way to find and share and prioritize gossipy-newsy links and essays for browsing entertainment.
Even more fascinating are some reddit terms used in article titles. Archetypal examples:
A huge amount of reddit is bogus, obscene, angry, etc. A subset, however, is rather amusing — in a watching-a-train-wreck sort of mode. What a wonderful new world the Internet has given us!