Answer:
I am a million peopleβs wakeup call
I am a mini solar powered computer
Fashions change, but what can a person wear that is never out of style?
I wear a red robe, with staff in hand and a stone in my throat. What am I?
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love and tear it down. I can make a smile, but more often bring a frown. What am I?
No matter how little or how much you use me, you change me every month.