After today's news that the <blink> tag will be deprecated in Firefox, I decided to re-implement it in html5 / CSS3 (no Javascript required). Now it's all modern again, you are free to use <blink> liberally in your web application.

Be sure to give attribution for the above code, so your users will know where to go to thank me…

Edit: Just to demonstrate that it works!

Inspect the code if you don't believe me...