Meta's Muse and Moat-less AI Meta's agentic AI app Muse climbed from No. 4 to No. 1 in the U.S. App Store within nine days of entering the top 20 on September 9, displacing ChatGPT, which had held the top spot for most of the past year. The rapid shift shows AI consumer products can gain share quickly through buzz and distribution, as users switch applications at negligible cost and underlying model intelligence remains available to every serious competitor, leaving minimal moat despite trillions in spending. 💡 I was traveling most of last week in Europe, so am finally getting caught up. Will have some notes on my travels and conversations later this week. What Happened Meta's agentic AI app Muse entered the U.S. App Store’s top 20 on September 9 at No. 4. Nine days later, it was No. 1. The unprecedented advance displaced ChatGPT, which had occupied the top position for most of the past year. Gemini, despite Google’s distribution , spent much of the period well below the leaders. What It Means Muse’s rise is a useful reminder that AI consumer products can gain share quickly, given buzz and distribution. Users can s witch applications at negligible cost , while the underlying model intelligence is available to every serious competitor. The takeaway should be, in short, that there is, despite trillions in spending, minimal moat ,