While medical stuff is very exciting and is still basically in its infancy, I think there's a lot to be done for technology even in the "developed world." Inte

While medical stuff is very exciting and is still basically in its infancy, I think there's a lot to be done for technology even in the "developed world." Internet infrastructure generally limits upload rate for consumers in home internet and mobile internet is heavily capped. Both of these heavily limit one's ability to communicate. A recent popular example of the latter would be the issue where the firefighters in California had their data run out. SLAs or not it's a clear example of how our communications infrastructure is lacking. Transportation infrastructure is has a lot of room to grow, only a few cities in the United States have functional subways, and many are researching new ways to easily move large numbers of people in a dense area. These are tied together as well in that better internet will allow for more remote working so even in denser areas people may not need to all commute simultaneously.