Thanks for posting.
For those who do not have the time, or couldn't be bothered, to read the article... It basically said do not use your Google, MS, FB, Twitter account to login to third party services.
A serious flaw in two widely used security standards could give anyone access to your account information at Google, Microsoft, Facebook, Twitter and many other online services. The flaw, dubbed "Covert Redirect" by its discoverer, exists in two open-source session-authorization protocols, OAuth 2.0 and OpenID.