You can add a ‘+’ modifier in front of broad match keywords to…

1. Overrides negative keywords with an explicit positive keyword.
2. Only trigger ads when the Google+ social extension is available.
3. Indicate that this keyword should be dynamically inserted into your ad text.
4. Specify that certain words must be included in someone’s search term to trigger your ads.

Correct Answer:

• Specify that certain words must be included in someone’s search term to trigger your ads.