An inside look at the Windows business at the start of last decade, as PC sales grew at 3% in 2009 vs. historic 10%+, and the disruption of the PC felt imminent
Steven Sinofsky / Learning By Shipping : Tweets: @manan , @tonykueh , @j_bindra , @benedictevans , @stevesi , and @stevesi Tweets: @manan : fascinating behindthe scenes thread. If only iPad launched a year late, MSFT would've doubled down on an incremental update to W7 & we wouldn't have seen W10 for what it is today https://twitter.com/... Tony Kueh / @tonykueh : Another gem from @SteveSi. The slow shift of “general purpose computing” moving from the PC to mobile due to the ecosystem. Overall digitization/computing continues to grow, hence the PC growth. https://twitter.com/... Jaspreet Bindra / @j_bindra : This. Thread. Required reading. I was in @Microsoft 6 of these years described below... https://twitter.com/... Benedict Evans / @benedictevans : Sometimes disruption means Kodak or RIM - a smoking hole in the ground. But sometimes it's slow and steady and the company on the wrong side of it is still huge - just not at the centre of things anymore https://twitter.com/... Steven Sinofsky / @stevesi : 1/ 2010 was the start of a most interesting time of the PC (and me). Reflecting back at how the decade ending in a few hours began. From the outside it was an exciting time in the PC industry. Windows 7 had just launched. Things would seem to be off to a solid start. https://twitter.com/... Steven Sinofsky / @stevesi : PPS/ If you found value this thread you might like this post on Medium that expands on some of what was here. https://medium.learningbyshipping.com/ ...?
Context & Ripple Effects
Steven Sinofsky's retrospective drops us into the Windows organization at its moment of maximum anxiety: PC growth had collapsed to 3% in 2009 against a historic 10%+, and the iPhone-era shift of general-purpose computing toward mobile was making disruption feel imminent rather than theoretical. The related coverage frames what came before — Intel had already effectively ceded mobile around 2008 when it abandoned low-power phone chipsets (the moment it lost mobile) — leaving the Wintel pair without a foothold in the ecosystem that was absorbing computing's growth.
The retrospective also reads differently in hindsight: the Nadella reorg later dissolved Microsoft's dedicated PC division for the first time since 1980, formally accepting Windows' decline (the timeline of that acceptance), before this year's Copilot+ event showed Windows feeling revitalized again (Microsoft's Copilot+ PCs event). Sinofsky's account is the bridge between those two endpoints.
First-order effects
- In 2009 the Windows team faced a direct fork driven by the iPad's arrival: as the discussion notes, had the iPad launched even a year later, Microsoft would likely have doubled down on an incremental Windows 7 update instead of building toward what became Windows 10.
- With PC unit growth at 3% versus historic 10%+, the business case for Windows investment shifted from riding volume expansion to defending an installed base whose growth engine had stalled.
Second-order effects
- Intel's earlier retreat from low-power phone silicon meant the PC ecosystem's two pillars — Windows and Intel — were both absent from mobile, so each disruption cycle compounded the other rather than being absorbed by the partnership.
- The slowdown pushed general-purpose computing's center of gravity to mobile ecosystems, where app distribution and hardware integration — not OS licensing — set the terms, pressuring Microsoft's licensing-based model on pricing and relevance.
Third-order effects
- If the pattern holds, incumbents at extreme product-market fit are most exposed precisely when they look unassailable — the dynamic the related coverage identifies as the best window for challengers — which is why the PC's 'imminent' disruption took a decade of organizational restructuring (Nadella's reorg) to fully play out.
- Structurally, the episode points to platform businesses surviving disruption not by defending the legacy product line but by eventually dismantling the division that embodies it — the path from Windows' decline-acceptance to today's differentiated Copilot+ hardware.
The trend: General-purpose computing has been migrating from the PC to mobile and now AI-centric ecosystems, with incumbent responses measured in decade-long arcs from denial through reorganization to reinvention.