(at around 2 mins) The cigarette being smoked is almost at the butt, but moments later it appears to have around an inch added on.
In the meeting between Gideon and Tyrell, Gideon tells Tyrell that AllSafe has "air-gapped" EvilCorp's private network. "Air-gapping" means removing all access to the network by disconnecting it from any external network by physically unplugging the network from the outside world. This means that nobody outside of physical access can access that network. This includes AllSafe and EvilCorp and would do neither any good.
Clock ticks during Elliot's conversation with Whiterose are not 60 seconds apart.
When Eliot put Shayla's cd in the case under the name "The Cure" Disintegration, there are among others a CD from the band "Tool" with name "Anemia", which is wrong, the correct name of the disc is "Ænima"
At the en, Elliot starts watching his father's images stored in a CD. one of the pictures shows Elliot's father on a chair and his legs are stretched on the table. On that table, there's also a PS3 controller which does not make sense because his father died 20 years ago.