Got the official feedback for my GDC Europe talk

[Andrei Alexandrescu via Digitalmars-d]

On 01/20/2017 04:26 AM, Ethan Watson wrote:
> Landed in my inbox while I was on holiday in Australia (why did I leave
> it three and a half years between visits jeez never do that again you
> fool).
>
> http://imgur.com/a/I6GrF
>
> In summary:
>
> * 4.5 out of 5 audience rating. Average was 4.22.
> * Head count of 51. I assume the entire rest of the conference was at
> John Romero's talk.
> * Written feedback was very positive.
> * Taking questions during the talk via the Google Slides feature was
> seen as a *very* good thing. I will run the same format for the DConf
> talk I plan on submitting, keep the runtime under control that way.
> * Some people wanted more actual usage of the language than what we did
> to facilitate rapid development with the language. Fair call, but not
> the kind of talk I wrote.

Congratulations, that looks like a very good performance! Could you 
please explain a bit how the Google Slides feature you mentioned works? 
-- Andrei