It's the new baby gear that parents either always -- or never -- needed.
Pampers is releasing a so-called "smart diaper" this fall.
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It has an activity sensor that alerts parents when their little one needs a diaper change.
The Lumi line also comes with a baby monitor, an app, and that sensor also tracks sleep patterns.
Social media has had many reactions to the diapers.
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"Seriously?" and "You have got to be kidding" seem to be the main reactions, along with many eye-rolls.
Some parents, however, are totally on board, especially for the overnights.