People use whale blubber for candles, soap, food, clothing and much more.
In some countries they use it in lip sticks and other make up.
The primary use for whale oil was for fuel in oil lamps. (This was made obsolete with the invention of electricity and electric lamps.)
In most places it is illegal but people still kill whales. It's sad, I know.
some people eat it. ( improve answer, i dont care)
The Whale's Rib Seafood Restaurant's Oysters
Whales Watching in New York City Harbor
Go Whale Watching in California
The Animals of the Ocean