Google+ Sign-In improvements Wednesday, December 11, 2013 | 11:28 AM Today we’re launching three updates to  Google+ Sign-In , making it easier and more effective to include Google authentication in your app: 1. Support for all Google account types  Google+ Sign-In now supports all Google account types, including Google Apps users, and users without a Google+ profile. 2. Easy migration from other auth methods  If you’re using OpenID v2 or OAuth 2.0 Login for authentication and want to upgrade to Google+ Sign-In, we’ve made it easy to do so; it’s entirely your choice. Google+ Sign-In can grow your audience in multiple ways — including over-the-air installs , interactive posts , and cross-device sign-on — and now it’s fully compatible with the OpenID Connect standard. For more details, see our sign-in migration guide . 3. Incremental auth Incremental auth is a new way to ask users for the right permission scopes at the right time, versus all permissions at once.…