The conversation between human and AI assistant.
[|Human|] Summarize the given article in 10 or fewer sentences with a critical perspective.
[|AI|] Despite Apple Watch Series 6's commendable features such as measuring blood oxygen levels, activity and sleep tracking, it's important to note that Apple wasn't the first company to introduce this technology in a smartwatch. Instead, Fitbit pioneered this feature earlier in the year.
[|Human|] 
Summarize the given article in 10 or fewer sentences with a critical perspective.