For investor, it take effect when you start building more confidence and intend to hodl or increase your wallet due to how much profit you have made on the long run. For someone that just invest in bitcoin, it feels the long term prospects has not been realized because when you are talking about a long time goal, it means you have to wait for certain number of years to evaluate this. For project developers, it starts when they realized how much people, individuals and companies are willing to be part of the project