► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />YotaPhone, the Russian mobile device maker, has launched a dual-screen smartphone with an e-reader. Daniel Thomas, telecoms correspondent, says that while the new Yotaphone 2 is the most innovative device he has seen for some time, it’s a niche product for now.<br /><br />► FT Business: http://bit.ly/1KUK08s<br /><br />► FT Technology News: http://bit.ly/1LNlR4g<br /><br />► Is the Smartphone Era Ending? http://bit.ly/1LvxIUb<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes