An example method includes, at an electronic device with one or more processors and memory: detecting a new type of available information, the new type of available information being associated with a card for display in a content feed; in accordance with detecting the new type of available information, increasing a relevance score of the card above a display threshold; in accordance with increasing the relevance score above the display threshold: causing the card to be displayed in the content feed; and obtaining data representing user interaction with the displayed card; adjusting, based on the data representing user interaction with the displayed card, the relevance score; and modifying a display of the card in the content feed based on the adjusted relevance score.