I've noticed concentration/focus issues somewhat myself when digging into lengthy texts these days. Back before work overloaded, I used to read upwards of 50~100 pages every day like nothing at all, but after a while it got much harder then parsing a several hundred web pages a day. (Without breaks ofc. for either!)
The best solution I've found over the years, is to just sit down, and just read a real book every now and then :-).
Most likely this kind of stuff will be a bigger issue for later generations, the ones who will think of cell phones like some of us think of an Atari.
Thou shalt check the array bounds of all strings (indeed, all arrays), for surely where thou typest ``foo'' someone someday shall type ``supercalifragilisticexpialidocious''.