Lightbox – the scalable multimedia ads that Google first introduced to the desktop back in 2012 and finally brought to mobile devices in September of this year – are now available to all AdWords advertisers globally.

The Lightbox format allows advertisers to quickly and easily combine existing video, images and maps in an HTML5 ad that will scale correctly for all standard ad sizes and devices. Hovering over the ad expands them to full-size no matter what the device …  expand full story