Answer:
Affinity Audiences allow her to reach sports enthusiasts.
Explanation:
Affinity Audiences are usually TV-style audiences normally designed with the aim of trying to connect advertisers with the type of customers they are searching for online at any point in time. Google Ads uses this feature via the browser history of the user and the time spent on pages and then associates the users browser with a category of interest.
The answer that best fits the blank would be the term HALF-DUPLEX. Half-duplex in all 802.11 standards, is being used in signaling, which means that a wireless station can channel or also receive, but cannot be done all at once.
Either we can't find the answer on google (some people don't give straight answers on Yahoo, or it just doesn't fit the answer we're looking for), or some people are too lazy to look. Personally, I like using this website but I mainly just use it when I need a little help :)