We didn't. There has been constant innovation from then up until now.

Indeed. Yet you claim that opening platforms somehow prevents companies from investing in R&D

	▲	bigglywiggler 2 days ago \| parent [-]
		It does when a company has spent R&D to create a closed platform specifically for their customers. The closed platform is Apple's USP, their features are better because they only have to develop and support them for their devices.