L-band signals can penetrate through clouds and rain. This property is why L-band is used for GPS and other applications that require all-weather operation, as it allows for accurate data collection even in the presence of adverse weather.
The idea is to help focus brushing on specific teeth or quadrants, and it uses Bluetooth to know when the brush is on or off. Maybe it signals when you push too hard and the brush pauses for a second as well.
To my knowledge it does not know where you are in your mouth when brushing (positioning via accelerometer/gyroscope), so a synchronized start would likely give similar results.
It's been said before: you don't customize SAP to fit your company, you customize your company to fit SAP.
"We held firm to the NO CUSTOMIZATION rule, we re-engineered our processes to fit SAP. Other than a few hiccups when integrating all aspects of a company that has 100 sub companies, and is under federal, state and local regulation the project basically went off without a hitch." [0]
"The pieces are fabricated and joined with the aft pressure bulkhead at Boeing’s North Charleston, S.C. plant and then delivered for final assembly to the company’s nearby final assembly building or flown to Everett, Wash."
Not the first time quality control has been an issue at the N.C. plant.
From a New York Times article back in 2019:
"Ever since, Qatar has bought only Dreamliners built in Everett." [0]
Much easier to just increase ticket prices than offset fuel costs by buying more efficient jets.
In a healthy environment, there’s always downward pressure on ticket costs, and you have to find efficiencies elsewhere. We aren’t in a healthy environment anymore...