Don’t dismiss Google+ even if it isn’t your favorite part of social media strategy. Even if the people interviewing you don’t perceive it as being valuable compared to Facebook and Twitter, they don’t want to work with someone who wouldn’t be open to integrating it into an overall strategy. Explain how Google+ is a great resource for community building since it is a heavily curated and moderated community. Having a thriving community means people are talking more about your company and sharing more content. It also increases SEO which you already know is a supplementary part of social media marketing.