This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.
Q: CBS provided digital streams of the game via CBSSports.com, and the CBS Sports apps on tablets, Windows 10, Xbox One and other digital media players (such as Chromecast and Roku). Due to Verizon Communications exclusivity, streaming on smartphones was only provided to Verizon Wireless customers via the NFL Mobile service. The ESPN Deportes Spanish broadcast was made available through WatchESPN.
A:
What service did Verizon customers need to use to stream the game on their smartphones?