![Facebook Briefly Incorporates 'Interest Lists' [VIDEO]](https://helios-i.mashable.com/imagery/archives/03OZS18Ybirun3DlTaqFpG4/hero-image.fill.size_1248x702.v1647020722.jpg)
[brightcove video="1485602700001" /]
After Facebook launched Timeline for brand pages on Wednesday morning, a feature not mentioned in any of the company's marketing materials briefly appeared on them: a menu item titled "add to interest lists."
The option quickly disappeared from pages, but it left speculators wondering if Facebook might be plotting a way for users to opt-in to brand messages or even some sort of discovery engine.