The biggest tech fails of 2021

For many, 2021 was a mix of hopeful and challenging, as covid vaccines became more widely available but the pandemic dragged on for another year. And while technology continued to keep us entertained and connected during the pandemic, it also made our lives harder.

There were times this year when technology misfired or failed to work entirely — from giant internet outages and crippling ransomware attacks to a series of issues for Meta, the company formerly known as Facebook. (So many, in fact, it's the one company we list twice here.)

Here is CNN Business' list of some of the most noteworthy tech-tastrophes of 2021: