Is this to do with the notification centre?

[hamzie11]

Watching Nokias MWC conference
and whats the windows logo notification

 

[rcasey]

Maybe.

 

[jdhooghe]

Oh look there is Skype preview as well *rolls eyes*

 

[WhippedKream]

Interesting catch, at first I thought it may be the Microsoft account but then I look again at my lock screen settings and im shocked it isn't! Lets hope for a bright future