0:04:39: The Invention of Core Memory - While working at Harvard, An Wang invented the foundational concept for magnetic core memory (an ancestor of RAM) by realizing data could be read and immediately rewritten. He received a patent for this, which he later sold to IBM in 1955 for a crucial $400,000–$500,000 ($4.4M–$5.5M today), providing the seed money to move from consulting to product development.

0:12:01: The Calculator Success and Pivot - Wang Labs' first major hit was the Wang 300 calculator (1966), which sold extremely well on Wall Street and helped the company go public in 1967. However, realizing microprocessors would soon commoditize the market, An Wang made the "incredibly ballsy decision" to pull out of the calculator market in 1971 to focus entirely on computers.

0:17:19: Dominance with Word Processing - After a failed initial attempt, Wang released the redesigned Wang Word Processing System (WPS) in 1976. It was an immediate hit due to its power, upgradability, and ease of use (ditching IBM's Selectric and using a CRT screen), quickly making Wang the world's largest supplier of CRT-based word processing systems by the late 1970s.

0:19:20: Reaching the Peak - In 1978, Wang launched a massive ad campaign, culminating in a Super Bowl ad directly attacking IBM, which boosted public awareness from 3% to 14%. Sales reached $1 billion in 1982 and $2 billion in 1984. An Wang's stake peaked at over $1.6 billion in 1984, making him the richest man in New England.

0:24:00: The Fatal Misjudgment - An Wang resisted the PC, believing it was a "dead end commodity" like the calculator. This led him to miss the IBM PC Revolution. Coupled with his decision to install his inexperienced son Fred Wang in critical leadership roles, the company was unable to put out competitive products, leading to a massive 66% quarterly profit decline in 1985 and the beginning of the end.

0:00:44: The Founding and Core Philosophy - Ken Olsen and Harlan Anderson founded DEC in 1957 after observing that students preferred interactive computing over slow batch processing. Their initial goal was to build small, affordable mini-computers that were more appealing to scientists and researchers than expensive mainframes.

0:01:52: The VAX Revolution - In 1977, DEC introduced the VAX line of mini-computers. The VAX and its VMS operating system were revolutionary, introducing features like 32-bit architecture, virtual memory, multi-user access, and networking—features that would become foundational to modern computing.

0:02:29: The Performance Benchmark - The VAX 11/780 (released in 1977) was a pivotal machine, being the first computer affordable enough for many businesses and schools and the first that could execute one million instructions per second (MIPS). It became the base standard for computer speed benchmarks for many years.

0:03:42: The Fatal Strategic Failure - In 1984, DEC ventured into the personal computing space with the Rainbow 100, but the effort was futile due to IBM's dominance. The video argues that this failure to gain a foothold in the rapidly growing PC market played a pivotal role in the company's eventual demise.

0:04:47: The Downward Spiral and Acquisition - As the industry shifted toward PCs and away from mainframes/mini-computers in the 1990s, DEC recorded its first quarterly loss since its inception. Following a string of financial failures and the retirement of Ken Olsen, DEC was acquired by Compaq in 1998, marking the end of the company.