Facebook is using D in production starting today

[Jarrett Tierney]

Congratulations! Glad to hear everything panned out! Glad to see 
D officially used over there.

On Friday, 11 October 2013 at 00:36:12 UTC, Andrei Alexandrescu 
wrote:
> Today I committed the first 5112 lines of D code to Facebook's 
> repository. The project is in heavy daily use at Facebook. 
> Compared to the original version (written in C++) we've 
> measured massive wins in all of source code size, build speed, 
> and running speed.
>
> In all likelihood we'll follow up with a blog post describing 
> the process.
>
>
> Andrei