JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://reactive-extensions.github.com/rxjs-html/rx.min.js"></script>
<script src="http://reactive-extensions.github.com/rxjs-html/rx.jquery.js"></script>
<script src="http://reactive-extensions.github.com/rxjs-html/rx.time.min.js"></script>
<div id="container"></div>

CSS

body {
 font-family: Consolas, monospace; overflow: hidden;   
}

JavaScript

var text = 'time flies like an arrow',
    container = $('#container'),
    doc = $(document),
    mouseMove = doc.bindAsObservable('mousemove'),

    mouseMoveOffset = mouseMove.select(function(value) {
        var offset = container.offset();
        return {
            offsetX: value.clientX - offset.left + doc.scrollLeft(),
            offsetY: value.clientY - offset.top + doc.scrollTop()
        };
    });

for (var i = 0, len = text.length; i < len; i++) {
    (function(i) {
        var s = $('<span/>', {
            text: text[i],
            css: {
                position: 'absolute'
            }
        }).appendTo(container);

        mouseMoveOffset.delay(i * 100).subscribe(function(mouseEvent) {
            s.css({
                top: mouseEvent.offsetY + 'px',
                left: mouseEvent.offsetX + i * 10 + 15 + 'px'
            });
        });
    })(i);
}