As advertised, initial loading is quasi-instant, and navigation, zooming and tab switching seemed smooth as well, even on the two-gen-old phone.

ENGADGET: Native Firefox Android browser adds speed, Flash, HTML5 and a fresh look (hands-on)

After all, Buzz and Wave crashed and burned when initial enthusiasm was replaced by instant disillusionment after users found those previous efforts at social products were either too complex or too intrusive.

BBC: Trying out Google+

We had an instant understanding of many of our shared views on life just from that one initial interaction.

FORBES: Bookshelves, Facebook Profiles and How We Share