Actually this is a tweaked version,
the youtube presentation was from a previous set, this design was directed by the Ayatana discussions.
Also, Icons are done in greyscale to reinforce the non-interactive nature of the bubbles.
The design team is not in favor of color icons in the bubbles for the default.
Actually this is a tweaked version,
the youtube presentation was from a previous set, this design was directed by the Ayatana discussions.
Also, Icons are done in greyscale to reinforce the non-interactive nature of the bubbles.
The design team is not in favor of color icons in the bubbles for the default.