“Hi! I'm Joel, I live in a valley in British Columbia's Rocky Mountains, as close to the forest as I could possibly be! I love to run, bike, jump, eat and create and I hope that you enjoy my work as much as I enjoy creating it!” – Joel Robison. (Photo by: Joel Robison; Source: Flickr)

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.
In 2009, David Horvitz started the “Heads in Freezers” meme. Participants took photos of their heads in freezers, tagged them with “241543903” and uploaded them to social media sites like Tumblr.

A man covered with thermal blanket walks along railway tracks beside an improvised refugee camp on the border line between Macedonia and Serbia near the northern Macedonian village of Tabanovce, Thursday, March 10, 2016. Around 1.500 migrants and refugees are stranded at Tabanovce transit center for refugees in northern Macedonia. (Photo by Boris Grdanoski/AP Photo)

A model presents a creation by fashion lable Dimitri at Berlin Fashion Week Spring/Summer 2016 in Berlin, Germany, July 9, 2015. (Photo by Fabrizio Bensch/Reuters)

Dance floor atmosphere at the Daily Front Row's Fashion Media Awards – After Party at The Wooly on September 8, 2017 in New York City. (Photo by Paul Morigi/Getty Images)

Bella Thorne is seen in Soho on September 10, 2017 in New York City. (Photo by Splash News and Pictures)

Former top models Carla Bruni (L), Claudia Schiffer, Naomi Campbell, Cindy Crawford and Helena Christensen display iconic creations of late Italian designer Gianni Versace's during the Versace Spring/Summer 2018 show at the Milan Fashion Week in Milan, Italy, September 22, 2017. (Photo by Stefano Rellandini/Reuters)

Leigh-Anne Pinnock arriving at Gilgamesh Camden on September 30, 2017 in London, England. (Photo by Flynet Pictures)