1. The key features of Web 2.0 include convergence, platforms, participation, big data, and privacy and surveillance. 2. Social media offer a rich site for communication research, such as through...

1. The key features of Web 2.0 include convergence, platforms, participation, big data, and privacy and surveillance.

2. Social media offer a rich site for communication research, such as through online communities, hashtags, memes, and online cultures.