# What is the biggest missed opportunity in history?

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

## Notes and queries

### Sun 2 Mar 2025 09.01 EST

Last modified on Sun 2 Mar 2025 09.03 EST

## Post your answers (and new questions) below or send them to **nq@theguardian.com**. A selection will be published next Sunday.

I read that , a few years after Covid brought video-calling to prominence like never before. So, my question is: what is the biggest missed opportunity in history? _Quentin, Arizona_

_Post your answers (and new questions) below or send them to_ **nq@theguardian.com** __. A selection will be published next Sunday.
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