II.in [美 ɪn, 英 ɪn]副in often appears as the second element of certain verb structures in English (close in, hand in, stand in, etc). For translations, see the relevant verb entry (close, hand, stand, etc).
Listeners were invited to contribute their expertise on a wide range of topics via their website, rather than through the traditional radio phone-in method.
Before long the series was generating substantial media coverage for topics such as phone-in competitions, controversial performances and awkward interviews.