, but restricted by their 4K limitation, size, 
 weight, and incredibly high price points that limit their usability to a very 
 select group of professiona...

https://www.apple.com/jp/pro-display-xdr/pdf/Pro_Display_White_Paper_Feb_2020.pdf

as hash functions, making it easy to represent data of varying sizes in a matrix of fixed size. The data is encoded using variations of a SHA-256 hash follo...

https://www.apple.com/jp/privacy/docs/Differential_Privacy_Overview.pdf