Today is the World Wide Web's 20th birthday in the public domain. Let's celebrate with pictures both about the web and made possible by the web. So meta.

The wonderful, addictive world of Tumblr is summed up by this one funny song by Adam Conover, Emily Axford, and College Humor.

Today's afternoon links, featuring the MedicAlert bracelet for every internet user, an orangutan's final request, and a derpy pug going upstairs.

Today's afternoon links, featuring Cyber Monday tips and a dog who hates 'Two And A Half Men' even more than Angus T. Jones does.

Today's links, featuring Guy Fawkes cat, a horse lime you may have met already, and a stuffed raccoon winning a fight with a cat.

Today's links, featuring the sweatshirt of our true alma mater and a cute corgi who doesn't know if she should eat or play.

Today's links, featuring a Twitter conversation regarding Neil Gaiman's world-changing hat, a cat speaking to the internet, and a dog who catches fish.

Today's links, featuring more of the Grumpy Cat and a guy who shouldn't put the internet on a pedestal.

Today's links, featuring Jason Heuser's "Welcome To The Internet", the female reproductive system according to Todd Akin, and a suave robot.