Why Nobody Says 'You're Welcome' Anymore. Whose. Chimichanga.

Grammar Girl Quick and Dirty Tips for Better Writing - A podcast by QuickAndDirtyTips.com

884. People often ask why people say "no worries" or "no problem" instead of "you're welcome," and we actually found an answer! Also, we look at whether it's OK to use "whose" for inanimate objects in a sentence such as "The chair whose legs are broken."