Notes on keeping the originals.
On sharing photos and videos at full quality with the family who weren't there, by the maker of OliDrop.
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WhatsApp and Signal shrink your photos, even with HD on
WhatsApp's HD and Signal's High quality both send a smaller, re-encoded copy of each photo, and the date and place it was taken usually don't survive. What a family group chat loses, and the privacy trade-offs of each app.