On Google+, LinkedIn user Robin Fisher writes about how confusing wording on LinkedIn fooled her into inviting contacts from her email list to LinkedIn without her knowledge. Essentially, when you import your contacts into LinkedIn, the service asks if you want to add them to your network. To Fisher, that sounded like the user was already on LinkedIn, but in fact, hitting “add” sends a LinkedIn invite to that contact’s email. [Source: Google+ via Business Insider]