The article discusses whether there were Windows 3.1 programs so incompatible with Windows 95 that patching them was pointless. It references a "permanently ineligible list" of applications that couldn't be made compatible with the new operating system.
Intel announced the 486 CPU at Comdex on April 10, 1989. The chip was priced at $950 each when purchased in quantities of 1,000.
The Apple II was announced on April 16, 1977 as one of the first pre-built desktop computers, though it didn't ship until June of that year. It went on to sell approximately 6 million units.
Windows 3.1 was released on April 6, 1992 as the successor to Windows 3.0. It provided a graphical user interface that ran on inexpensive ordinary PCs.
The Atari ST computer was introduced on April 8, 1985. It sold 50,000 units quickly after its release.
Intel introduced its first Celeron processor, the Celeron 266, on April 15, 1998. This marked the beginning of a product line that would last 25 years, though it was a cut-down version of the Pentium II processor.