Any MMO you can shake a stick at has some form of trading system. What I'd like to see in Destiny is somewhere in a menu or in the Tower that lets you trade or sell your gear, resources and consumables. An example might be that you can buy resources (like Relic Iron) from strangers for Glimmer or trade pieces of armour to your friends (for free) so that the ranking is more even for coop-ing a mission. These features would help the under-20's in terms of gear and the over-20's with upgrade stuff (I know I never have enough weapons to recycle when I need those pieces!). Also this would mean more thought would have to go into scrapping that rare weapon just because you have one that's slightly better. Just an idea…