WordPress administrators & authors who use Microsoft's Internet Explorer browser are presented with an attractive image and link to BrowseHappy site in an apparent bid to lure them away to alternative browsers.
Browse Happy
Firefox, Mozilla, Safari & Opera are the presented alternatives. The site contains testimonials of users with an option to post yours. Nice site design by the way.

Interestingly Flock, which WordPress.com so heavily promoted not so long ago, isn't displayed as an alternative.