Single Topic Blogs: Since October 2011, designer and musician Alfra Martini has been photoshopping cats into classic album artwork.

This quote from the title sequence of Avatar: The Last Airbender has become the next "arrow in the knee" joke.

Single Topic Blogs: Andrew Miller painted 100 well-known consumer products entirely white to inspire viewers into asking themselves why we buy the things we do.

Twitter user @MandaSwaggie became infamous online after posting a controversial tweet insulting the deceased singer-songwriter Kurt Cobain of the grunge band Nirvana.

Single Topic Blogs: Solely focused on pictures of cats and stacks of cash, this ingeniously formulaic Tumblr blog was born to win it all.