What are the other usage of で except indicating location and time?

Question:

Pls give examples thks a lot

Answer:

Additionally,
”By” 　手で（手作り） by hand　　口コミで”by word of mouth”
”from”　テレビ（新聞）で知った　I got to know it from TV/paper　
colloquial form 　で、どうしたの？So what happened, then?