List the service that most likely to have network effects within 5 years.

1) Google Fiber (providing GBit Internet access to homes)

2) Purchase of Nest (maker of home thermostats and smoke detectors)

3) Purchase of several robotics companies (Boston Dynamics, Schaft , Industrial Perception, Redwood Robotics, and several more)

4) Developing Self-driving cars

5) Google Compute Engine (Cloud services)

6) Google Docs (Cloud alternative to Microsoft Office)

7) Google Glass (for Glassholes)

8) Google Chromecast (HDMI video streaming)

9) Google Chrome (Web Browser)

10) Google Chrome OS (Operating System for Chromebooks)

11) Google Hangouts (video conferencing)

12) Google Android (Phone OS)