750+ Reddit comments:

http://reddit.com/r/space/comments/2rj6x6/want_to_get_an_idea_what_a_trillion_stars_looks/

I wanted to wave, but it's not live ;)  It just feels like there must be a world with life, in such a big galaxy.

There HAS to be.

http://pandawhale.com/post/44208/the-fermi-paradox

The only question is whether we'll (eventually) be able to communicate with them. 

Another 600 Reddit comments:

http://reddit.com/r/videos/comments/2t0qg2/nasa_releases_a_picture_of_the_andromeda_galaxy/

More about the Andromeda Galaxy picture:

http://pandawhale.com/post/56344/andromeda-hubble-mosaic-of-the-spiral-galaxy