Every Gloriads blog article tagged Amazon DSP.

Amazon Streaming TV, ex-Sponsored TV, is self-service with a daily budget from $20, no minimum spend. Amazon DSP buys Prime Video or Netflix through deals.

Sponsored Display is Amazon's self-service display ad for products it sells; Amazon DSP buys display, video, Streaming TV and audio programmatically.
Gloriads runs your Amazon Ads by rules you control, on all four ad types.