Google+ (pronounced and sometimes written as Google Plus, sometimes abbreviated as G+) is a social networking and identity service,[1][2] operated by Google Inc.
Google+ ID is the id which Google+ has uniquely assigned to each user. To get your Google+ profile id click your name on your profile page and then copy the 21 digit number as shown in the picture below .
Get notifications
Stay connected, even when you are on the go. You can subscribe to SMS notifications about your Google+ activity, such as comments on your posts.
Social experiences require multiple players and so does safety. We all need to do our part. These resources are here for teens, parents, and teachers to learn more about how to use Google+ in a fun, smart, and safe way. We're glad you are here!
Create new kinds of social experiences.
Build games where you can see everyone's reactions or use your whole body to communicate, collaborate face-to-face-to-face in real-time, or connect with family and friends in new ways.
Google+Timing helps you decide when it is the best time to post. By analyzing your historical post data, we can show you when you have had the most impact with your posts. This in turn will hopefully give you better access to your audience.
Hangout Captions is an app that connects live transcription services directly into a Google+ Hangout, improving accessibility for participants who are deaf or hard of hearing.
The ripple diagram shows this post spreading as users share it on Google+. Arrows indicate the direction of resharing. (Only public posts show up.) Circles within circles represent a resharing sequence, so large circles indicate heavy resharing.
Google+ history is a collection of moments that describe activities the user has engaged across the web and applications. You can use the Google+ history API to write to a user's Google+ history and they can share the important moments in their life with their circles.
The Hangouts API provides the programming interface to Google+ Hangouts. It provides a JavaScript interface that enables your app to do such things as list the hangout participants, share data between instances of your app in the hangout, control some aspects of the user interface, and control the microphone, camera and speaker settings.
This simple Hangout extension gives you this possibility by displaying the comments happening on one of your posts directly inside of the hangout, giving you the chance to react to the comments live.