Building on jävi's answer, this can be done without IDs or additional button attributes like this:
http://jsfiddle.net/isherwood/E5Ly5/
My first popover content goes here.
My second popover content goes here.
My third popover content goes here.
$('.popper').popover({
container: 'body',
html: true,
content: function () {
return $(this).next('.popper-content').html();
}
});