When I read those summaries for the first time, I tweeted about some of the statements I found in them. This is my tweet about the claim that Apple couldn't support alternative app stores without not only software but even hardware changes: Apple expert: "would include a duty to redesign its hardware and software--[...]--to make the iPhone interoperable with alternative app stores" The software part would be very limited for sure, and the hardware part is inconceivable. Will be interesting to hear this expert in May— Florian Mueller (@FOSSpatents) April 14, 2021 The quote was from the following paragraph of Dr. Rubinfeld's rebuttal report: