a geographical hypothesis proposed by British geographer Halford Mackinder during the first 2 decades of the 20th century, that any political power based in the heart of Eurasia could gain significant strength to eventually dominate the world.
Some notable examples include posting a photo of people lying down in public places (called planking) and uploading a short video of people dancing to the Harlem Shake. A meme is an idea, behavior, or style that spreads from person to person within a culture. An Internet meme may take the form of an image, hyperlink, video, website, or hashtag. It may be just a word or phrase, including an intentional misspelling.
A 'meme' doesn't have to be funny, provocative or even make sense. Most memes fall into one of three categories: - 'Quirky' stuff that isn't funny. - Pathetic stuff that fills you with vicarious despair. - Revolting pictures that could be presented to some alien jury as evidence that humanity is cancer.