Each time you toggled to a new tab, the ads on the right-hand side refreshed meaning a new page view and ka-ching for Facebook.

FORBES: How Facebook Can Be a $100 Billion Business

As you start to look at the list of docs, you can star the item on your left, click the middle to view it or hit the arrow on the right side to share the file, rename it or make it available offline.

ENGADGET: Google Drive for iOS hands-on Mobile

Street View is accessed via the search box now, and there's a toggle on the right side that overlays Google Earth data and (impressively) shows it from varying degrees of tilt.

ENGADGET