“The Complete Guide to Google +,” by Michael Miller, $20 from

Google + is the Google equivalent of Facebook. It has far fewer users but is growing fast. It wasn’t fast enough to keep us hooked, however; we stopped using it regularly a few months after realizing that nearly all of our friends stayed on Facebook

One reason you might want to try it out, besides the fact that it’s free, is the group video chats called “hangouts.” Why pay extra for Skype Premium, which starts at $5 a month, when you can get the same power for free on Google +? Each hangout can have up to 10 members at one time. All you need is a webcam, which most laptops have built in, and an Internet connection. Businesses might want to use hangouts for customer training, meetings, sales strategies and job interviews.

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