Answer: Tezos Commons or Tezos itself is the most likely source for a new idea to come from. Arthur Breitman, the founder of Tezos, is likely to be the best person to approach with a new idea. Tezos Commons is a group of Tezos stakeholders that are dedicated to promoting the growth and development of the Tezos project. They are a great resource for anyone looking to come up with a new idea or feature for the Tezos network. Tezos itself also has a team of developers and engineers that are constantly working on new features and improvements for the network. If you have an idea that you think would be beneficial to the Tezos network, then it would be worth reaching out to either Tezos Commons or Tezos directly to discuss it.