A common misspelling of "apology", usually pointed out to the writer by assholes to make themselves appear smarter than they actually are.
The study of electronic applications, most commonly concerning smart phones and tablets.
Asshole: "It's spelled 'apology'."
Writer: "Go suck a dick, Ron."
2) "I can't wait to show Jenny that I'm a master of appology by hooking her up with the best iPhone apps!"