Debugging is the process of checking and problem-solving with computer code in order to make it run properly, or to find a bug planted to make functional code run improperly.
The extension: .mkv is an open-standard file format that holds multiple audio/video tracks in one file. It is used to encode illegal high-definition audio-video files, such as TV episodes or movies, distributed through torrent sites.
In case you've been living under a rock... Part of Elliot's attempt at a normal life is to purchase a Starbuck's iced drink, then to accept Gideon's dinner invitation. Founded in 1971, Starbucks is the ubiquitous Seattle-based coffee house with over 13,000 locations in the U.S. alone, considered largely responsible for the second wave (gourmet) coffee craze.
Tyrell installs Flexispy, a phone spying software, onto Anwar's phone after seducing him.
Windows 98 is a Microsoft computer operating system released in 1998, and used by Elliott's primary care facility. With extended support ending in 2006, the hospital's operating systems have not had security updates for almost a decade, making them "almost too easy to hack".
"Steal My Sunshine". Performed by Len. Plays as Elliot plans his return to normal life while drinking a Starbucks coffee.
"Obsession". Performed by Animation. Plays while the group waits at Gideon's door.
"Casta Diva" [Norma] Norma, Act I. Composed by Vincenzo Bellini (1831). Plays as Gideon places a call after reading a report on the hack and during Tyrell and Joanna's BDSM game to the episode's end.
The picture of the dog shown being liked on Instagram is from the page of creator Sam Esmail's fiancee, Emmy Rossum. The dog's is named Cinnamon.
During their conversation, Joanna and Tyrell speaks Danish and Swedish, respectively.
Elliot's apartment is 4F. This is also a military term for unfit for service.
03:50 Tyrell considers entering an anti-social arrangement