Video shows setup process for Cortana on leaked build of Windows Phone 8.1
Exclusive: Cortana Voice Assistant on Windows Phone 8.1 [VIDEO] — Building on the videos showing off various brand-new features in the upcoming Windows Phone 8.1 update that we have brought you …
Context & Ripple Effects
This video lands one day after The Verge's first proper look at Cortana, moving the story from 'Microsoft is building a Siri rival' to concrete evidence of how the assistant ships: an unconfirmed leaked Windows Phone 8.1 build showing the actual setup flow. It also extends a pattern from last December, when a leaked screenshot of new on-screen buttons gave the same early read on 8.1's interface changes.
The pickup breadth is notable for a leak: eight outlets including TechCrunch, PC World, BGR and Search Engine Land ran it within hours, meaning the setup experience — normally a controlled reveal — is now being reviewed publicly before Microsoft has confirmed anything. The relationship data still flags Cortana-on-WP8.1 as rumored, so everything here rests on leaked builds.
First-order effects
- Microsoft loses control of the Cortana narrative ahead of its own announcement: reviewers can now critique the setup flow, wording and defaults of an unfinished product before Redmond frames it.
- Apple and Google's assistants face an immediate three-way comparison cycle, since every Cortana writeup is explicitly framed against Siri.
Second-order effects
- The leak raises expectations for the Windows Phone 8.1 update itself, putting pressure on OEMs and carriers shipping the refresh to treat Cortana readiness as a launch-critical feature rather than an add-on.
- Search-focused outlets picking this up (Search Engine Land among them) signal that Bing-backed answers become part of how the assistant is judged, pulling Microsoft's search quality into phone-review criteria.
Third-order effects
- If the pattern holds, voice assistants harden from optional apps into default OS setup steps — a baseline every mobile platform must ship to be considered current.
- Pre-release leaks becoming de facto product reviews shifts leverage toward leakers and enthusiast sites, compressing vendors' ability to sequence their own reveals.
The trend: Mobile operating system makers are folding voice assistants into core OS updates, turning assistant setup into a standard onboarding step rather than a separate app.