Replying to @GetReporter
@GetReporter I'm also curious about the prompts. How do you determine the schedule? Is it truly unpredictable?... aaron.pk/r4UW4

Feb 9, 2014 · 6:47 PM UTC

2
Replying to @aaronpk
@aaronpk it’s regular randomness… we take the requested frequency and offset it by a random amount between +/- 1/2 the frequency.
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Replying to @aaronpk
@aaronpk you can see the frequency / day plotted here from my work with the app in 2012: feltron.com/ar12_02.html