My usual analogy about serverless and wireless is rather simplistic. But @Tzmanics offers more thought and detail in her recent #jamuary post.
https://dev.to/tzmanics/what-is-serverless-besides-a-bad-name-for-using-servers-35ag https://twitter.com/ireaderinokun/status/1202630148123693056
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You can explore them here and follow me on Mastodon instead of Twitter where I'm not currently active.