IGN's wrote that "'Nobody Knows' goes for a shiny blues ballad feel, Pink flexing her vocal chords to reveal a downright sweetness to her voice.

"[3] Quentin Huff from PopMatters wrote an extensive review about the song, stating that "Even when you feel like you’ve heard it before, her smoky vocals and clever touches let you know it’s not the same old thing.

"[4] Entertainment Weekly's Chris Willman wrote that the song can be skipped while listening to the album, while referring the track as a "stab at Xtina-style balladic solipsism, Pink's vocal span from G3 to G5"[5] The song was released as a single on November 20, 2006, in the United Kingdom and Ireland, and on January 13, 2007, in Australia; it reached number 27 in all three countries.

In Canada the song was released to radio in mid-January shortly after the success of "U + Ur Hand"; in Belgium "Dear Mr. President" was the fourth single from the album.

She then watches TV but finds there's hardly anything on apart from a melting snowman and puts her head under her pillow before accessing her laptop computer.