MetLife Visual Identity Guidelines Logo 3.3 Issue 1: December 2016 Logo Exception on Social Media Twitter Facebook Website A special stacked version of our logo has been created for use on social media, Our Partnership "M" symbol may be used as a favicon on our websites. as an exception, to allow our brand to stand out. This is the only time that our symbol should appear without our logotype. Stacked versions of dual-language logos are available. For master artwork, see appendix.