ThePrinceofWaless avatar
5 6
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Indoor plumbing.

For me, it's air conditioning. a smilie

JanHaskells avatar JanHaskell Yeah You Are +1Reply

How about the discovery of electricity and then the invention of the refrigerator. There are outhouses and open fire cooking, but keeping food cold and safe is the best.

It's a tie between my coffee maker and my flat iron for my hair

Lil_Princesss avatar Lil_Princess Yeah You Are +1Reply