Can new Apple Watch sharing features top Fitbit's leaderboard?

A ton of news came out of Apple's 2016 Worldwide Developer Conference (WWDC) Monday, but as someone who closely watches the wearable and activity-tracker spaces, this jumped out at me: the Apple Watch's Activity app is getting a leaderboard ... sort of.This fall, Apple will release watchOS 3, a free software update for its smartwatch. For the first time, Apple Watch users will be able to their share progress in completing the three Apple Watch Activity app rings with other Watch users. (You