How many lost items do drivers see? How often?
The Guru Take
According to Uber, 11 a year
On average, among "full time" Uber drivers, 11 lost items are returned to the passengers every year. That's quite a bit of time spent on returning them!
For instructions on what to do if you lost an item, go to this thread: How do I contact the Uber driver or Uber about a lost item?