Originally Posted by Trsnrtr

First off, because there is no tube, there are no pinch flats.

After that, assuming one uses sealant in the tire, small punctures will be sealed. As an example, a month or so ago, I found an orange smudge on my rear tire. I peeled the orange off of the tire surface and found a nice orange spot where the sealant had sealed off a puncture. I hadn't realized that I had punctured and don't know when it happened.