Adam Schultz/Flickr (CC BY-NC 2.0)

From Texas Standard

Since political ads are typically the single biggest expense of a presidential campaign's bottom line, you choose your battles – or battlegrounds – carefully. There's not much room for waste, which is why this got our attention: Hillary Clinton has purchased ad time in four of the five biggest cities in Texas.

Filipa Rodrigues for KUT News

In the last presidential election, the iPhone 3G was the hottest phone on the market, and there were just a few million people on Twitter. Now almost half of American adults own smartphones and more than 500 million use Twitter. So let's check out what they're saying about voting lines! We'll be trawling the internet and adding new info here.