"Your Tour" is a great web experience to honor the 100th edition of the Tour de France through Google product uses.
http://yourtour.withgoogle.com
Enable Google Hangout in Chrome
Can’t join Google Plus Hangout? Keep getting error?
If you are having trouble starting or joining a Google Hangout using Chrome on a Mac, this tutorial could possibly solve the problem.
Step 1
Select Chrome Preferences
Step 2
Select Show Advanced Settings
Step 3
Scroll down to the Privacy section and select Content Settings
Step 4
Under the Plug-ins section, select Disable induvidual plug-ins
Step 5
If the Google Talk plug-in is disabled, select Enable