That's sad, because one of Swappa's main selling points (and the reason they got popular) is that they started out as a marketplace for Android phones, and should specifically know about rooted / bootloader unlocked / etc. phones. Enthusiast stuff.
Their About page says:
> The inspiration for Swappa sparked when Ben had trouble finding a good source for test devices for Android development projects.
Retirees increasingly don't want to live in the empty desert. They want to live in the convenient and familiar places. Except that's where everyone else wants to live too, but since the retirees have the money, the existing land, and the voting power, they're blocking everyone out.
You may have a sensor that estimates CO2 based on measured total volatile organic components. These are called eCO2 sensors, and were used instead of the gold standard NDIR sensors due to cost.
I've got an Aranet4 and started tracking CO2 and submitting it to IndoorCO2Map (via https://whn.global/indoor-co2-map-co2-monitoring-and-data-co...), but after a short period of time, there aren't really any surprises. Carrying a CO2 detector everywhere seems like mostly a way to give yourself anxiety.
If it's crowded now, or was recently, the CO2 is going to be high. If the building is old, or low volume, the effect will be worse.
These are just clicker games without the manipulative timer. Progress bar goes up, when filled it gives you a prize, then the progress bar is reset.
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