A lot of people died in the global blackouts. That is recognized in this scene from FlashForward.
Added:
We meet Demetri's fiancee, Zoey, on the third episode of FlashForward. Played by Gabrielle Union, she's seen here at a funeral.
Added:
Mark and Olivia step back from their own issues and realize the bigger picture in this scene from FlashForward: a lot of people died.
Added:
The mood grows somber on the third episode of FlashForward. Stan leads a funeral for those that died in the blackouts.
Added:
Is his daughter really alive? Aaron is focused on a lot on the third episode of FlashForward.
Added:

FlashForward Season 1 Episode 3 Quotes

Mark: We gotta follow up on this.
Janis: Based on what, Mark, your Spidey sense?

If you're trying to prevent the future and save your marriage, the first step isn't keeping secrets from your wife and that's coming from a guy who's been divorced

Aaron [to Mark]