According to some users that send SMS with Google Messenger, some are seeing enhanced features enabled on their SMS app. RCS or Rich Communication Services is the answer we need to finally upgrade our outdated SMS platform. RCS offers read receipts, typing notifications, and SMS messaging over a data connection. It also allows for larger file transfers up to 10MB so it doesn't have to over-compress MMS images or Videos. RCS does come with its complications though, as all carriers need to support the feature. Currently, all major US carriers except Verizon support the RCS platform. A...
Source: http://www.gsmarena.com/some_sprint_users_say_google_messenger_is_showing_rcs_capabilities_advanced_sms-news-21446.php
