Are you talking about as a third party product? This seems like the correct place though you’ll need to relax on the “implemented right away!” part.
If you’re talking about a feature built into Twitter then there probably isn’t a way to insure this happens. There’s hundreds of millions of people using Twitter, there isn’t a dedicated place for people to demand new features be implemented immediately.
When you’re dealing with sites at a large scale like this, there’s a huge planning stage even after they decide to implement something. We’re not talking about some 5 member site where something gets built at the risk of something else being broken every day.