Daily Kiddo lets you share all your kid photos and videos with the people who really want to see every single one. Add a kid, invite your family to the album, and snap away! For them, there's no more waiting for the next update. For you, there's no more complaining from everyone else about clogging up your social media feed!
I like the idea of taking the general cluster concept and focusing on a very specific concept. I tried out cluster for a moment a while back, but couldn't decide which groups/topics to cluster around. This removes that barrier. May give it another try.
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