Loads to love here. On the UX front; the expansion of the arrows on hover and the subtle bounce animation on the cards. On the content front; highlighted takeaway up top, good avatars, their company positions plus brand logos for a bonus visual reminder.

Seen a lot of "Tweet testimonials" in my day. This was by far the most fun!

Tilted praise, straightened on hover.

Huge boost of social proof having their product featured on an Apple keynote

Minimal line aesthetic, includes companies for credibility

Client logos scroll with fades on ends

Summary extracted into a colorful gradient block

Testimonial user’s name pairs with app screenshot name, also hand held, bang bang