the.com/pebble
a mountain that lost an argument with a few thousand years of rivers
size classofficially 4 to 64 millimeters across
beach musicclattering pebbles inspired the word shingle for beaches
ancient ballotsGreeks voted by dropping pebbles into urns
smartwatchPebble outsold Apple in early Kickstarter history
gizzard stonesbirds swallow pebbles to grind their food