This document provides an overview of several social media platforms and tools:
- Pinterest is described as a virtual pin board where users can share content across different Google products and with people who share their interests.
- Google+ allows users to organize their connections into different categories or "circles" and share content selectively with each circle. It also includes video chat capabilities.
- Lifeblogging on Google+ focuses on collecting and sharing life moments and experiences through a profile organized like a life story.