There's an $800 million needle in this haystack "Man offering to purchase landfill to find lost Bitcoin hard drive"

https://www.foxbusiness.com/technology/man-yearslong-battle-retrieve-lost-bitcoin-hard-drive-worth-800-million-offers-buy-landfill 

"This needle is very, very, very valuable — $800 million," Howells said "which means I'm willing to search every piece of hay in order to find the needle."