Zitat Zitat von Valada Beitrag anzeigen
Thou shalt not correct people incorrectly. "Improve they English"... doesn't your stomache hurt while talking like this? oO
And thou shall READ what stands in the appointed Source, not nitpicking at lone Words:
Zitat Zitat von http://en.wikipedia.org/wiki/Singular_they
Singular they is the use of the pronoun they (or its inflected forms) when plurality is not required by the context.
Singular they indicates indeterminacy in regard to:

* number — "Anyone who thinks they have been affected should contact their doctor";
* gender — "One student failed their exam."