Flex Bar

Flex Bar is a full-width "notification"-like unit that sits at the top of the browser window. It is dismissible, and stays dismissed for 24 hours.

Look at the top of the page.
<script src="//m.servedby-buysellads.com/monetization.js" type="text/javascript"></script>
<script>
(function(){
	if(typeof _bsa !== 'undefined' && _bsa) {
  		// format, zoneKey, segment:value, options
  		_bsa.init('flexbar', 'CKYD623L', 'placement:demo');
  	}
})();
</script>
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Options Reference

Options Description Default Values
target Use a different ID on the div element.
_flexbar_
string
platforms You can restrict the unit to desktop or mobile.
['desktop', 'mobile']
array
id ID for the containing div element.
_default_
string
path You can retrieve ads server-side vs client-side in the browser. See example.
//srv.buysellads.com/ads/[zoneKey].json
string
ip This is for testing in case you need to trigger an ad request that is geo-targeted and you're working locally or not from an IP address that will serve for a given GEO targeted ad.
null
string