In addition to the normal things Alexa can do:
    Alexa what time is it
    Alexa what's the weather tomorrow
    Alexa play some meditation music
 ...

   You can do the following:
     Alexa turn on/off the light

   Send a message to Alxea in the Ecobee
   thermostat in the kitchen:
  
   You   "Alexa Broadcast" 
   Alexa "What's the announcement"
   You   "What time is dinner"