The SocialZ Verve Index, first released in 2014, uses Millward Brown's proprietary Verve Scoring methodology to measure the overall social vitality of a brand in social media. Born and bred digital brands again dominate the Top 10 in this year's ranking. Social networks – Google (led by YouTube), Twitter, and Facebook take the top three spots. Perpetual consumer favorites, Apple, Disney, and Nike are also in the Top 10. These iconic brands fuel avid attention through new product releases and strong integrated social media activity. Read more.