Unlike a notification system widely touted at the beginning of the pandemic that used GPS, this Bluetooth system helps maintain privacy and anonymity among users.

Unlike a notification system widely touted at the beginning of the pandemic that used GPS, this Bluetooth system helps maintain privacy and anonymity among users.

Deputy press secretary Judd Deere declined to reveal what Trump wrote to Biden or to characterize the sentiment in the note, citing privacy for communication between presidents.

Deputy press secretary Judd Deere declined to reveal what Trump wrote to Biden or to characterize the sentiment in the note, citing privacy for communication between presidents.

Unlike a notification system widely touted at the beginning of the pandemic that used GPS, this Bluetooth system helps maintain privacy and anonymity among users.

Deputy press secretary Judd Deere declined to reveal what Trump wrote to Biden or to characterize the sentiment in the note, citing privacy for communication between presidents.

Unlike a notification system widely touted at the beginning of the pandemic that used GPS, this Bluetooth system helps maintain privacy and anonymity among users.

Deputy press secretary Judd Deere declined to reveal what Trump wrote to Biden or to characterize the sentiment in the note, citing privacy for communication between presidents.

Unlike a notification system widely touted at the beginning of the pandemic that used GPS, this Bluetooth system helps maintain privacy and anonymity among users.

Unlike a notification system widely touted at the beginning of the pandemic that used GPS, this Bluetooth system helps maintain privacy and anonymity among users.