Finally integrated – this will be nice to have. “Google is crossing off a major complaint about Hangouts this week: the messaging app will finally merge your SMS and Hangouts conversations. Users can pick between Hangouts and SMS when sending a given message, but that’s it. There’s no option to use Hangouts with SMS as a fallback option, which is the approach Apple takes with iMessage.”
via Google finally combines text and chat conversations in Hangouts | The Verge.