You & Mr Jones, the brand technology company founded by former Havas CEO David Jones, has acquired a majority stake in theAmplify for an undisclosed amount. The deal comes as many advertisers and media companies are aggressively tapping into the power of social media personalities to reach younger consumers online. theAmplify is the latest in a string of investments in technology businesses by You & Mr Jones over the past year and the company’s first in the area of influencer marketing. Read more about the acquisition from The Wall Street Journal.