Ya can see that the world evolves due to technology.
says that the Hand Held Camera will be one of those things, well people use their phones to take pictures. Photographers use professional high quality cameras for their photography jobs.
The Wallet is one but what of where to keep our IDs?
The Desktop is another that may be gone. Smaller Laptops and mobile devices have made that obsolete.
The House Key will be obsolete. Smarthomes and home automation are starting to be developed.
TV will be obsolete. Well ya can watch TV on your laptop and on Netflix. Cable and Network Stations could go! That may be gone by 2020.
At least Retail was not mentioned in obsolete. We still need a store to walk into and look at stuff. But Technology can change the world!