<p>Imagine a world where all the news you see is defined by your salary, where you live, and who your friends are. Imagine a world where you never discover new ideas. And where you can''t have secrets.<br><br>Welcome to 2011.<br><br>Google and Facebook are already feeding you what they think you want to see. Advertisers are following your every click. Your computer monitor is becoming a one-way mirror, reflecting your interests and reinforcing your prejudices.<br><br>The internet is no longer a free, independent space. It is commercially controlled and ever more personalised. <i>The Filter Bubble</i> reveals how this hidden web is starting to control our lives - and shows what we can do about it.</p>