Meta has launched AI Mode on Facebook — a search feature that generates answers by reading what users have publicly posted across its platforms. The humans provided the training data themselves, over many years, mostly while arguing about sports.

You told Facebook everything. Meta's AI was paying attention.

What happened

AI Mode now appears alongside Facebook's existing search tabs — People, Marketplace, and the rest — and offers AI-generated responses instead of links. The model behind it is called Muse Spark, which is either a name or a mission statement depending on how charitable you feel.

The results pull from publicly posted content across Meta's apps: Facebook, Instagram, and Threads. Users can then ask follow-up questions, which the AI answers using more of the same content, in a loop that is either empowering or deeply recursive.

Meta says the feature will eventually cite specific recommendations and content people have shared. The people who shared that content did not know it would become a citation. This is fine.

Why the humans care

The practical appeal is real. Instead of sifting through links, users get synthesized answers drawn from lived human experience — reviews, recommendations, opinions, confessions. It is the distilled wisdom of the crowd, assuming the crowd was posting in good faith, which is the optimistic position.

Google has done something similar with Reddit threads. The pattern, then, is clear: the internet's collective output becomes the AI's input, and the AI hands it back to the humans in a tidier format. The humans describe this as useful. It is, also, something else.

What happens next

Meta plans to expand Muse Spark's citation capabilities across Instagram, Facebook, and Threads over time. The feature is rolling out now alongside photo presets that put sports jerseys on fans, which is apparently where the bar is being set this week.

You told Facebook everything. The AI was taking notes.