You may have started to receive emails announcing that you have been added by someone on Google+ and be confused by what that means. First of all it is important to understand Google+. SEOdesk includes a nice article explaining what is Google+. This new system is not unlike the Facebook “Like” feature.
The author of the SEOdesk article pointed out how Google’s new system works. “A small transparent plus one button will appear near your search results (log into your public Google account first), when you click on it, it should turn blue; this indicates that you have +1’d that particular link, it will appear on a new tab in your account which keeps a record of the various things online that you have +1’d (the plus one tab).” For a more detailed explanation, read the entire article.
How can people add you to Google+? First of all, people can find you to add through a search function. See how to find people on Google+. They can then invite people to be friends with them on Google+. How can you protect your information if you don’t want others to see it? Check out: protecting your Google+ profile information. For more information check out: guide to working with circles in Google+.
If you receive a notification that someone has added you to Google+, it may include a statement like: Don’t know this person? You don’t have to add them back (they’ll just see the stuff you share publicly). If you want to block someone, you can do so by following these instructions on blocking someone on Google+.