In January 2009, Marissa Mayer – by her own admission – broke the internet.
As Google’s vice-president of search products, Ms Mayer was responsible for what was then the world’s most popular website. An errant “/” in a computer code had triggered a chain of events that resulted in the message “This site may harm your computer” popping up alongside every search result.


Richard Waters
Chris Nuttall
Maija Palmer
Robin Kwong
Tim Bradshaw