Google Hangoutswikipedia
Google Hangouts is a communication platform developed by Google which includes messaging, video chat, SMS and VOIP features.
HangoutsGoogle+ HangoutGoogle HangoutGoogle+ HangoutsHangoutGoogle+ Hangouts On AirGoogle Hangouts

Google

GoogleGoogle Inc.Google, Inc.
Google Hangouts is a communication platform developed by Google which includes messaging, video chat, SMS and VOIP features.
It offers services designed for work and productivity (Google Docs, Sheets, and Slides), email (Gmail/Inbox), scheduling and time management (Google Calendar), cloud storage (Google Drive), social networking (Google+), instant messaging and video chat (Google Allo, Duo, Hangouts), language translation (Google Translate), mapping and navigation (Google Maps, Waze, Google Earth, Street View), video sharing (YouTube), note-taking (Google Keep), and photo organizing and editing (Google Photos).

Google+

Google+Google PlusGoogle+
It replaces three messaging products that Google had implemented concurrently within its services, including Google Talk, Google+ Messenger (formerly: Huddle), and Hangouts, a video chat system present within Google+.
Features included the ability to post photos and status updates to the stream or interest based communities, group different types of relationships (rather than simply "friends") into Circles, a multi-person instant messaging, text and video chat called Hangouts, events, location tagging, and the ability to edit and upload photos to private cloud-based albums.

Google Talk

GTalkGoogle ChatTalk
It replaces three messaging products that Google had implemented concurrently within its services, including Google Talk, Google+ Messenger (formerly: Huddle), and Hangouts, a video chat system present within Google+.
In February 2015, the Windows client was discontinued and ceased to work, with Google recommending users to use Google Hangouts instead.

Messaging apps

messaging appmessagingsocial messaging
Google Hangouts is a communication platform developed by Google which includes messaging, video chat, SMS and VOIP features.
Some examples of popular messaging apps include WhatsApp, China's WeChat and QQ Messenger, Viber, Line, Snapchat, Korea's KakaoTalk, Google's Hangouts, Blackberry Messenger, and Vietnam's Zalo.

Google Voice

Google VoiceGrand Central
Google has also stated that Hangouts is designed to be "the future" of its telephony product, Google Voice, and integrated some of the capabilities of Google Voice into Hangouts.
Google Account customers in most other countries other than the U.S. and Canada may only access the call termination services through the integration with Google Hangouts.

Google I/O

developer conferenceI/OI/O developer conference
Following reports that the new service would be known as "Babel", the service officially launched as Hangouts during the Google I/O conference on May 15, 2013. In May 2016, at Google I/O 2016, Google announced two new apps: Google Allo, a messaging app with AI capabilities (AI-powered bots and selfie features ) and Google Duo, a video calling app.

Nexus 5

LG Nexus 5Google Nexus 55
In Android 4.4, Hangouts is integrated with text messages sending and receiving functions, which is the default SMS app on the Nexus 5.
Hangouts, which now supports text messaging, is used as the default text messaging application.

Comparison of instant messaging clients

List of XMPP clientsinstant messaging clientsComparison of XMPP clients

Google Duo

Duo
In May 2016, at Google I/O 2016, Google announced two new apps: Google Allo, a messaging app with AI capabilities (AI-powered bots and selfie features ) and Google Duo, a video calling app.
In an email sent to Android phone manufacturers on October 5, 2016, Google announced that, starting December 1, 2016, Google Duo replaced Hangouts within the suite of Google apps Android phone makers must pre-install on devices, with Hangouts instead becoming an optional app for phone makers to pre-install.

Android KitKat

KitKatAndroid 4.4 "KitKatAndroid 4.4.4 "KitKat
In Android 4.4, Hangouts is integrated with text messages sending and receiving functions, which is the default SMS app on the Nexus 5.
On stock devices, the Messaging and Movie Studio apps were removed; the former was replaced by Google Hangouts, which supported SMS.

Google Allo

AlloGoogle Allo
In May 2016, at Google I/O 2016, Google announced two new apps: Google Allo, a messaging app with AI capabilities (AI-powered bots and selfie features ) and Google Duo, a video calling app.
Russell Brandom of The Verge commented that "the decision will have significant consequences for law enforcement access to Allo messages. By default, Allo messages will now be accessible to lawful warrant requests, the same as message data in Gmail and Hangouts".

Emoji

emojiemojispictographs
Users can also now use color emoji symbols in their messages.
Emoji are also supported by the Google Hangouts application (independent of the keyboard in use), in both Hangouts and SMS modes.

Gmail

Gmailgmail.comGoogle Mail
The service can be accessed online through the Gmail or Google+ websites, or through mobile apps available for Android and iOS (which were distributed as a successor to their existing Google Talk apps).
In March 2014, Google Voice was discontinued, and replaced with functionality from Google Hangouts, another communication platform from Google.

List of video telecommunication services and product brands

List of video telecommsoftware clientsspecial videophonesnecessary equipment

Social software

social softwareSocialsocial and humanistic computing
Popular, consumer-oriented clients include AOL Instant Messenger, Google Hangouts, ICQ, Meebo, MSN Messenger, Pidgin (formerly maig), and Yahoo! Messenger.

G Suite

Google AppsG-SuiteGoogle Apps for Work
G Suite comprises Gmail, Hangouts, Calendar, and Google+ for communication; Drive for storage; Docs, Sheets, Slides, Forms, and Sites for collaboration; and, depending on the plan, an Admin panel and Vault for managing users and the services.

Noto fonts

NotoNoto Sans CherokeeNoto Sans Symbols
The color version is used by Google's Gmail web interface, Google Hangouts, Chrome OS and Android.

List of Google products

Google's various servicesGoogle Maps MobileGoogle products

Google Account

Google accountsGoogle accountGoogle web history,
A Google Account is a user account that is required for access, authentication and authorization to certain online Google services, including Gmail, Google+, Google Hangouts and Blogger.

TMRO

In addition to traditional episodes, TMRO also offers some audio and text content as well as content provided through the crowdfunding platform Patreon, including Google Hangouts and early access to TMRO After Dark.

Rob Has a Podcast

The Spyson Hour
In 2011, he began adding more live coverage using YouTube's Google Hangout feature.

After School Club

After School Club Awards
It allows international fans of K-pop music to interact directly with the live shows through social media: fans can join in on the live broadcasts through video chats in Google Hangouts, send in tweets to the show's official Twitter account, and are also able to share comments, ask questions, and request music videos on the show's official Facebook account.

Libertarian Party presidential debates and forums, 2016

On May 17, Freedom Gulch hosted a Libertarian vice-presidential debate on Google Hangouts featuring the candidates: Will Coley, Alicia Dearn, Larry Sharpe, and Judd Weiss.