- Sizemore understands simple abbreviations and emoticons,
but does not understand "kk thxbai." As "kk thxbai" comes from FPS chat and memes, it makes good sense that Erfworlders would not understand them.
-
Nobody else in the world has Eyebooks, but Charlie can "hack" into Parson's. Even assuming this is Arkendish Thinkamancy (and not that "Charlie" still has his Eyebook from the past), Charlie should not have sufficient experience with them to have come up with meme-based communication.
- There is no Erfworld analog for "hacking." There are no computers, nor more than a single set of computer-like devices. Even if there were, it seems likely they would be Thinkamancy based - that is to say, no keyboards.
- Charlie
instantly understood "omg h4x" despite the fact that (1) "hacking" has no Erfworld analogy and (2) number-letter substitution would never have occurred to a people without keyboards.