For example, flight confirmations in your Gmail inbox will automatically sync with your Google Calendar and Google Maps to help you get to the airport on time. From resuming YouTube videos across devices, to having your contacts, and favorite Play Store apps easily available, a single sign-in allows for a seamless experience across Google.

Gmail is countering the number of active sessions per account in providing this information; so "open in multiple locations" means that there are multiple active session for this particular account. Gmail also provides more details about each session making it easy to track the misuser. How To: Sign Out of All Web Sessions in Gmail - YouTube Aug 27, 2019 Gmail: How to Sign Out From Multiple Devices | Time Jan 13, 2016 How to See Other Devices Logged in to Your Google Account Jul 11, 2017

Modem question: Number of open sessions? | Yahoo Answers

How To: Sign Out of All Web Sessions in Gmail - YouTube

Open Training Sessions Begin June 3rd – UM-Flint – Google

Gmail - Email from Google Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox." Sign in - Google Accounts Sign in - Google Accounts Gmail - Email from Google The ease and simplicity of Gmail, available across all your devices. Gmail's inbox helps you stay organized by sorting your mail by type. Plus, you can video chat with a friend, ping a colleague, or give someone a ring - all without leaving your inbox. Gmail: Check Recent Logins and Sign Out of All Sessions