Blast from the past (via hacker news):
<marquee>: The Marquee element (Obsolete)
The HTML marquee element is used to insert a scrolling area of text. You can control what happens when the text reaches the edges of its content area using its attributes.
Marquee HTML Element - https://developer.mozilla.org/en-US/docs/Web/HTML/Element/marquee
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko