Ask Ubuntu's favicon, that is Ask Ubuntu's favicon http://cdn.sstatic.net/askubuntu/img/favicon.ico, is too similar to the inbox alert. The problem is that when the favicon is placed close to the Stack Exchange menu (the menu in the top left of the site) the favicon might be mistaken for an inbox alert.
An example of this is in Firefox when the tabs are set to appear at the bottom of the top panel and Ask Ubuntu is opened in the leftmost tab. The following might be mistaken for an inbox alert:
That is, the favicon might be mistaken for there being an inbox alert in the Stack Exchange menu. This happens especially for me when looking at it from the corners of my eye and I take it to be due to the Stack Exchange menu appearing very close to the favicon and the favicon being too similar to the favicon. The similarity may be observed when looking at a case where there is a inbox alert:
Notice that if you look a the image above from the corner of your eye the favicon and inbox alert (the red circle with '1' in it) they look identical.
Also note that this also happens when viewing other Stack Exchange sites and the Ask Ubuntu site is in the leftmost tab. Super User:
Does this problem need to be solved? If it needs to be solved, what can be done to solve it?