Some people think null might be a candidate: https://medium.com/@hinchman_amanda/null-pointer-references-the-billion-dollar-mistake-1e616534d485 https://medium

Some people think null might be a candidate: https://medium.com/@hinchman_amanda/null-pointer-references-the-billion-dollar-mistake-1e616534d485 https://medium.com/@hinchman_amanda/null-pointer-references-... https://www.lucidchart.com/techblog/2015/08/31/the-worst-mistake-of-computer-science/ https://www.lucidchart.com/techblog/2015/08/31/the-worst-mis...