QI a very good job." In September 2018, while responding to a question on equal pay at the Women's Equality Party's conference, Toksvig revealed that she receives 40% of what Stephen Fry was being paid as the host of "QI", which is the same amount as Alan Davies. Talent fees for "QI" are managed by Talkback. "QI" was received very positively by its viewers. It was the most popular programme on BBC Four in 2005, and one of its books, "The Book of General Ignorance", became a global bestseller for Christmas 2006. "QI" has been supported by nearly all critics. Peter
What Love Is Made Of three minutes and fifty-five seconds (3:55), "What Love Is Made Of" is an uptempo dance and house track that has been described as "rave-y" and "trance-y". Its instrumentation contains the sounds of pianos and synthesizers. Jordan Sargent of "Spin" observed that it continued the musical style first introduced in Katy's 2012 extended play (EP), "Danger EP", which was "straight-forward house". Idolator's Sam Lansky compared her performance in the song to recording artist Siobhán Donaghy. Critical response to "What Love Is Made Of" was generally positive: most critics noted Katy's vocal performance and commended its sound. Siân Rowe from "NME" was