There’s been apps for that for nearly 10 years. “Flush” is one specific that I’m aware of.

Posted By: HoopUte
Date: Wednesday 10 July 2019, at 02:07 pm

In short, the business case ship sales some time ago.

Edit: For full disclosure, I could no longer find a "Need to Pee" app, although my sister used to use it, so I verified "Flush" by downloading it. The initial point stands.
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