бібліотека електронних та каталог паперових книг

От издателя:Stop shouting and start being heard.As traditional channels for marketing, selling, and influencing disappear and online networks grow at an ever faster rate, the very nature of attention is changing.Social media gurus Chris Brogan and Julien Smith, the bestselling authors of Trust Agents, now reveal how to create a powerful message and increase your visibility in a concrete and meaningful way.