Hotspots: OSRS Gold where loot was more accessible to players. Clan Wars- These were the first minigames that were available to players on f2p. They replaced large wilderness fights for clans. The new Bounty Hunter- Jagex introduced a new method to pk.
FFA Arenas - This is the most unimportant thing in Runescape. The update introduced an update that ended clan warfare for ever. It was able to decrease the number of arenas and made the experience more boring. Don't forget the danger zone. Request assist- Was created after we couldn't trade items in order to create various kinds; e.g. making armour to lower levels, air/law/etc rune running.
Capped Trading- Simple however, it will likely not be effective if updates go ahead. Gravestones- Were created so people couldnt trade from deaths, and let people regain items. DA tournaments were created to bring back staking. However, they fail badly, even with the most recent updates. Revenants- Created to take the place of pkers, people complained because they were too powerful however they're poor. But, they're too strong in f2p.
Proof that Jagex does not remove content... Old Bounty Hunter- Was one of the first new methods of pking. A crater appeared from out of space, and it smashed every wild old pking sites such as the big bone and the small bone yards were destroyed; # in your article in case you've have read this long.
Pvp Worlds- The number of PvP realms has been cut down to around two over the years. DA tournaments - The previous one was taken out and replaced by some shzzlety stuff that fails just as often. The changes made it difficult to conduct certain activities. Shops run by players These are the sections that sell goods and services through forums. The rune-based business model is a great way to make money.
Duel Arena- A way for Buy Old School RuneScape Gold to win big or even lose a lot of money. Trading- Self explanatory. Pking- Self explicatory. Merchanting- Self explanation. Still possible but not very practical. Hotspots for trading such as Varrock, Falador and all five of the first worlds were always packed with traders from different regions.