Perhaps the final vestige of pre-mobile AdWords, 25-35-35 character text ads will soon sunset.

With the removal of right-side ads, Google now has the flexibility to give text ads more characters in a way that will look uniform across devices. Expanded text ads will be eligible to run across all devices and will be optimized for smartphones.

“These upgrades help your ads work harder across screens, especially for the on-the-go mobile consumer that wants to know exactly what you offer before tapping into your website,” said Google’s Senior Vice President, Ads and Commerce, Sridhar Ramaswamy, in a blog post announcing this and other news from Google Performance Summit on Tuesday.

There are so many major moments that lead up to Election Day: debates, caucuses, primaries. But the moments that matter most won’t make major headlines. They’ll happen quietly and quickly in micro-moments, when undecided voters become decided voters, often by going online.

Voter decisions used to be made in living rooms, in front of televisions. Today, they're increasingly made in micro-moments, on mobile devices. Election micro-moments happen when voters turn to a device to learn about a candidate, event, or issue. Today's voters want a quick way to catch up on the latest elections buzz and they've found it in online video. Since April 2015, people have watched more than 110 million hours of candidate- and issues-related content on YouTube. That's 100X the amount of time it would take to watch all content ever aired on CNN, C-Span, MSNBC, and Fox News combined. Whether voters are looking for a debate sound bite, instructions on how to vote, or Stephen Colbert's latest burn, they turn to YouTube.

In the years since Sarah Palin’s sound bites and the “Obama girl” cemented 2008 as America’s first “YouTube election,” the world’s most popular video site has proven even more spellbinding — and powerful — than political campaigns ever imagined.

In January, a political ad — actually, three — ranked among YouTube's 10 most-watched ads for the first time in history, delivering millions more views to campaigns than to the best commercials corporate America had to offer.

And in the early caucus and primary states of Iowa, New Hampshire, South Carolina and Nevada, the streaming giant's open pool of reserved ad time did something it had never done: It sold out, a sign that candidates yearned so deeply to reach voters’ cell phones that they wanted to snatch up every YouTube second money could buy.