Amazon two click reviews

Two-click reviews: Customers no longer need to fill out text reviews which they estimate will increase review rate by 8x. Could be a big impact to sellers but could also be hard for sellers if they get a negative review without context.

Amazon Buy with Prime

Buy with Prime: You can now put reviews from Amazon directly on your site. Also, now instead of only being able to buy a single product with Buy with Prime, you can now add a Buy with Prime cart to buy multiple products at once. Amazon said average conversion rates on ecom sites increase by 25% with Buy with Prime.

Source: Amazon Accelarate and here you can find the recording.