Dear Roy Batty,
Congrats on your incept!
That's right: Today is the activation date for Blade Runner's awesome replicant on the run, played by Rutger Hauer. We truly do live in the future.
Given that they're a traditional celebration for humans, birthdays and their odd customs can make it difficult to retain the secrecy of one's replicant status. To help out, I've compiled a series of do's and don'ts to help Roy remain safe during his special day.