[Avodah] Fitbit

[Shui Haber via Avodah]

On Mon, Apr 18, 2016, 1:02 PM Eli Turkel via Avodah wrote:
> I was at the recent torah u mada conference in bar Ilan.  I asked both
> Rabbi dr fixler and rosen about using the fitbit on shabbat....
> Both answered that there is no technical problem nevertheless they felt it
> was zilzul shabbat unless there was a medical need  r fixler said he heard
> the same psak from r ariel chief rabbi of ramat gan

Why is it not mesaken mane?

[Transliteration mine. -micha]

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Shui Haber