Writing a program is maybe 10% what you want it to do, and 90% telling the computer how to do it. So I think the question of when we won't need another program

Writing a program is maybe 10% what you want it to do, and 90% telling the computer how to do it. So I think the question of when we won't need another programming language can be answered as: when the default programming language of the day has libraries and/or syntax that grow to include every "how" that's been done before. This way you only have to specify the "what" unless you're doing something nobody's figured out how to do. So I guess my idea of the limit programming language/environment would be that it's automatic (or at least trivially easy) to make 90% of every new program into a gem, and then automatic/trivial to find the gem that does exactly what you need, as well as to debug it. (maybe rubygems are already this good, i haven't looked into them).