Protester Nadine Wolf demonstrates against the proposed Stop Online Piracy Act (SOPA) and Protect IP Act (PIPA) outside the offices of U.S. Sen. Charles Schumer (D-NY) and U.S. Sen. Kirsten Gillibrand (D-NY) on January 18, 2012 in New York City. (Photo by Mario Tama/Getty Images)

Shoppers wrestle over a television as they compete to purchase retail items on “Black Friday” at an Asda superstore in Wembley, north London November 28, 2014. Britain's high streets, malls and online sites were awash with discounts on Friday as more retailers than ever embraced U.S.-style “Black Friday” promotions, seeking to kickstart trading in the key Christmas period. In the United States the Friday following the Thanksgiving Day holiday is called Black Friday because spending usually surges and indicates the point at which American retailers begin to turn a profit for the year, or go “into the black”. (Photo by Luke MacGregor/Reuters)

A volunteer operates a remote controlled disinfection robot to disinfect a residental area amid the COVID-19 coronavirus outbreak in Wuhan in China's central Hubei province on March 16, 2020. China tightened quarantine measures for international arrivals on March 16 as the country worries about a rise in imported cases of the deadly coronavirus and anger rages online at how Europe and the United States are handling the pandemic. (Photo by AFP Photo/China Stringer Network)

Fumie Takino, 89, founder of a senior cheer squad called Japan Pom Pom, and other members pose for commemorative photos before filming a dance routine for an online performance in Tokyo, Japan, April 12, 2021. “It's dancing; moving your body is nice”, Takino said. “And the costumes are unbelievably showy. Some people join just so they can wear them”. (Photo by Kim Kyung-Hoon/Reuters)

Dr. Adolfo Roitman presents a part of the Isaiah Scroll, one of the Dead Sea Scrolls, inside the vault of the Shrine of the Book building at the Israel Museum on September, 26, 2011. in Jerusalem, Israel. For the first time some of the Dead Sea Scrolls are available online thanks to a partnership between Google and Israel's national museum. (Photo by Lior Mizrahi/Getty Images)

241543903 (a.k.a “Heads in Freezers”) is a numerical keyword associated with a photo meme that involves people taking pictures with their heads in the freezer & sharing them online. By tagging a series of image files with a cryptic number, a high level of search engine optimization can be easily achieved. As a result, typing “241543903” into image search engines like Google Images successfully yields pages after pages of pictures showing people’s heads in freezers.

A to-do list written by John Lennon on display at the GOTTA HAVE IT! Rock & Roll Pop Culture Auction Press Preview at the Gotta Have It! store on November 30, 2011 in New York City. (Photo by Andy Kropa/Getty Images)