Assess the following statements regarding Branded Keyword Search Campaigns in Google Ads and determine which are correct:
- Statement I: Branded Keyword Search Campaigns should primarily focus on targeting new customers who are unaware of the brand.
- Statement II: In Branded Keyword Search Campaigns, it's effective to segment ad groups based on specific products or services offered by the brand.
- Statement III: Using ad extensions in Branded Keyword Search Campaigns can provide additional information and improve click-through rates.
Choose the correct combination of statements.