New Delhi: The socially-active Indian youth stays hooked onto Facebook for hours, but its Twitter's "complexity" that has hampered popularity of the microblogging site, a study by Indian software services firm TCS said.

According to Tata Consultancy Services' (TCS) GenY 2013-14 report, Facebook emerged as the most popular with 86 per cent respondents saying they have an account and 76 per cent stating that it was their most 'preferred' social networking portal.