Reki Kawahara, author of the Accel World light novels, provided the anime viewers with some additional commentary for episode three of the series. Translation of the highlights follows. The explanation provided under the very last screenshot could be considered a spoiler, as it clears up an ambiguity not explained in the episode itself, so proceed with caution.
Chiyuri carries around that large bag as she is a member of the track and field team. No matter how convenient the times, it seems they have yet to invent a way to digitize their luggage.
There are blank spaces on the map presented in the episode. This is because only 60% of the Burst Linkers are affiliated with any Legion. The territory division reflects this fact.There is one more reason why the Brain Burst program has been kept secret, but not even Kuroyukihime can confirm those rumors at this point.
Haruyuki called it pointless, but I quite like wandering around the world map for some time before challenging the last boss. Though you might end up forgetting yourself and never seeing the ending that way…
To avoid connecting her neuro-linker to the global network, Kuroyukihime uses an old-fashioned PC and a smartphone for the purposes of connecting to the Internet.
The avatar Kuroyukihime used to observe the Silver Crow x Ash Roller fight was a special one made to help her avoid repeating the mistake that got her identified the first time. Though it might not exactly be great camouflage…
Haruyuki is momentarily disappointed during his talk with Kuroyukihime because he realizes his mission is not to fight and protect her, but merely to help identify her attacker.
The cable Chiyuri owns is so short because it’s a cheap pack-in that comes with the neuro-linker for setup purposes. It’s not the result of the author’s evil machinations. Probably. Maybe.
In this case, a back-door program is something that allows a third party illegal access to a terminal. The final shot of this episode is from the viewpoint of the ‘someone’ stealing Chiyuri’s optical data.
Please look forward to episode four!