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I know! Airport base stations are not usually major updates anyway! so the only "new" thing would be the Apple Watch 2...
Or basically a whole collection of updates rather than one or maybe two at most.
 
Apple Watch 2 is rumoured to be an S update rather than a redesign, but wouldn't it make more sense for it to be released alongside the iPhone 7 in September? But I do think that the Bill Graham Civic building is a bit odd, Apple have only used that for big events, Apple 2 was announced there and so was the iPhone 6S, iPad Pro (12.9") and the Apple TV 4 in September of 2015.
 
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