Can you provide a real-world example of a successful Phased Rollout and the key success metrics used?

Some alternative strategies to a Phased Rollout when launching a new product or service include a Big Bang Adoption, where the new product or service is launched to all users at once, or a Parallel Adoption, where the new product or service is launched alongside the old one, allowing users to switch between the two until they are comfortable with the new one. Another strategy is a Pilot or Trial Launch, where the new product or service is launched to a small, select group of users for feedback and testing before a full launch.

Companies like Google or Apple typically implement a Phased Rollout for their new products or services by initially testing the launch with a small percentage of their user base. This allows them to identify and fix any unforeseen mistakes or bugs before rolling out to more users. The rollout is broken down into phases, with each phase involving a larger percentage of the user base. If all goes well in a phase, they proceed to the next one. Otherwise, they fix any issues before moving on. They also monitor success metrics such as adoption rate and crash-free sessions.