# The 'One-Click' Join
We know that getting your friends to download another app is a struggle. That's why Decision Jar uses deep-linking invite codes. One click transports your friend directly to the specific jar you shared. No searching for the group, no complex setups—just click, join, and start adding ideas immediately.
# Collaborative Favorites
Every member can 'Heart' specific ideas in the jar to signal their preferences. While the spin itself is purely random (every idea gets an equal chance), favorites help the group curate the jar over time—surfacing the ideas everyone loves and making it easy to filter or browse by popularity. For a more direct influence, switch to Voting Mode and let the group pick the winner democratically.
# Collaborative Memory
A Shared Jar isn't just a decision tool; it's a history book. Every time a group completes an activity, it moves to the 'Memories' tab. Over months, this builds a searchable timeline of your friendship—the bad movies, the great hikes, the terrible tacos. You aren't just deciding what to do next; you are actively categorizing what you have already done, creating a shared 'Canon' of inside jokes and experiences.
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