Here's a refresher course on replicants, Harrison Ford's Deckard and everything else that will come back from the 1982 classic.
Do I need to watch 'Blade Runner' before seeing the sequel? - CNET
Blade Runner 2049 Cinematography — Lighting, Color & Camera
Why Blade Runner 2049 Was a Box-Office Bomb But a Cult Hit
Blade Runner: 2049 (2017) - Lozier Institute
Blade Runner 2049 (2017) - IMDb
Blade Runner': Why we still care about the first film 35 years later
Blade Runner 2049 review round-up: Critics hail Denis Villeneuve's sequel as masterpiece, The Independent
Uncanny Valley: Blade Runner 2049 - The American Society of Cinematographers (en-US)
WIRED's October Cover Story Features Blade Runner 2049