Even now, the main issue is whether RIM can do it alone.

FORBES: The 6 Reasons Research In Motion Shot Itself In the Foot

From the second you select the Twitter for BlackBerry icon from the main menu, it's apparent that RIM is focused on basic functionality.

ENGADGET: Twitter for BlackBerry launches in private beta, we check it out

The main channel deposit seen here resembles a dirt road ascending into the mountains, which are actually the north wall and rim of Gale Crater.

FORBES: Wall of Gale Crater