Image transcription: a meme that reads"I wish windows had a universal hotkey to open linkedin on my default browser ctrl + shift + alt + win + L:" below is an image of Mercy from Overwatch holding her hand out in a gesture that suggests offering aid. End transcription.
Yammer (now/soon called viva engage) is a weird social media service for internal usage inside a company.
I have no idea why it exists, but it does.