The profile card which appears in Gmail when you hover mouse pointer over any one of chat contact’s name (you need to sign into chat don’t forget that) has got new look and of course Gmail Profile card now has been integrated with Google+ which now allows to add them to circles, takes you to their Google+ profile page on clicking their name, you can view all the recent emails from that person by clicking on Email button. Seems its now available or rolled out to all Gmail users, can’t confirm this.
Here is what Gmail has to say about new Gmail profile Cards on Google +
New profile cards in Gmail
Now when you mouse over a person’s name, the profile card that shows up has a cleaner design and new integrations with Google+. You can easily add people to your circles, navigate to their Google+ profiles by clicking on their name, and start a Hangout. In addition, we’ve also made it easier to see all the emails from a person by clicking Emails.
Have you got new profile card for your Gmail account?share with us in comments.