What did the PS3 do that the Wii and/or XBox 360 copied?

[phxprovost]

realill said:

CGI-Quality said:
PS3 was the first HDMI-ready console. After it's launch, the 360 added the function.

This ^

 

There is rumor, that 360 going to copy slim model :)

they are not copying the "slim model", all companys do it to reduce costs, sony did not invent manufacturing cost saving