In order to become an effective tool even for the poorest in the world, Bitcoin has to improve on many ends. Speed and cost are just two things that must improve, but usability is also a big one because most of the very poor won't have a smart phone. Besides Bitcoin itself, other things like the Internet also has to improve especially in poor rural areas where Bitcoin could play a vital role. So there are a couple of things that need to improve in conjunction with Bitcoin in order to make it the tool some wish it to be already.