I should note that on one of my review units I discovered a hairline crack of unknown provenance right under the camera, so keep an eye out for that. (theverge.com)
I am much more comfortable eating raw eggs from a farm of healthy, well cared for chickens than I am eating ones of unknown provenance from the corner bodega. (bodyearth.net)
But researchers have their eye on a small, unmarked crate, also of unknown provenance, being kept in storage. (sciencemag.org)