If you're new to AirPods, considering buying a pair, or just want to pick up some new tips.
AirPods and AirPower: Everything We Know
Apple PDA - 2 Mo?
The most concrete evidence available is from Steve Jobs against the possibility of an Apple PDA. July 2001 Interview as well as recent comments at a Financial Analyst Meeting in which Jobs downplays the significant of the PDA in the future.