Chrome for iOS lets you cut back on the amount of data used by your iOS device. The feature reroutes non-SSL or Incognito Web browsing through Google's servers to compress the pages, resulting in less data being transmitted to and from your device.
This post shows you where to go in settings to reduce your data usage with Chrome for iOS.
The first time you wind up on a Web page that's in a foreign language, Chrome for iOS will helpfully ask you to translate a page. You can also enable this feature in settings, by following the instructions detailed by Jason Cipriani.
Incognito mode lets you browse the Internet on your iOS device and not have to worry about any pages you view while in that mode being saved to your history. You also won't have to worry about any of those pages leaving cookies behind.