Don't forget that programming languages get more abstract and hence more powerful with fewer lines of code. RealTalk has functions you can call to get the physi

Don't forget that programming languages get more abstract and hence more powerful with fewer lines of code. RealTalk has functions you can call to get the physical location of a piece of paper and being based on Lua makes it much more expressive than C++. You can keep digging down levels of abstraction but the interesting parts of this system are extremely accessible.