The update gives you the ability to share Google+ invites by simply sharing a link. By sharing your unique link with your friends, up to 150 of them can instantly sign up for Google’s social network. The search giant still offers inviting friends via email as an option.
The update was announced earlier this week by Google+ engineer Balaji Srinivasan.
We’ve heard that you want to invite your friends, but sometimes you don't know their email addresses... or sometimes its not easy to find it.
To address this, we’ll be rolling out a new feature over the next few days that lets you invite others simply by using a link.
When you click the “invite friends” button on the right-hand side of the page, you’ll find a new link that you can IM to friends or post on the web.
Since we're still in field trial, we're limiting sign-ups from these links to 150 per person for now. We hope you'll like this easy way to bring your friends onto Google+. Thanks and keep the feedback coming!