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
iPhone 4S Now 'In Stock' in Most Apple Online Stores
"In stock" is Apple's term introduced last September to replace the previous "within 24 hours" status that is indicative of near-immediate availability.
Apple experienced booming sales of the iPhone 4S during its launch quarter at the tail end of 2011, blowing away estimates by recording sales of 37 million units across all iPhone models, with the vast majority of customers said to be purchasing the iPhone 4S over the iPhone 4 or 3GS.