Amazon announced today that the voice search functionality in its Fire TV media streaming box would soon be expanded to include information from Hulu Plus, Crackle, and Showtime Anytime. Currently, Fire TV's voice search only supports Amazon's own content and music videos from Vevo. The company did not say exactly when the new sources would be added to the service, aside from indicating that it would arrive this summer.

The Fire TV's voice search functionality is very impressive — we found it to be faster and more accurate than any other voice recognition service we've used. But being limited to just Amazon and Vevo content really held it back from being all that it could be. The new sources will help make Fire TV's voice search more practical, but it is still missing support for key services such as Netflix. The Fire TV also doesn't have access to HBO Go at all.

Still, despite those limitations, the Fire TV is the best media streaming box you can currently buy, and Amazon seems to be committed to making it better. The company says it is currently working on features to improve discovery of content inlcuded for free with its Prime subscriptions, as well as adding more games to its library of titles.