Riddles 1

Yay for riddles! Not necessarily for the toughness, just for the joy of writing them.

[Answers at bottom]

1. Every person travels here when the sun is set—
Not a sound you shall hear, but then you may forget
(What is it?)

2. People see me here and there
In cities I am everywhere
Standing tall, but lacking bark
I help the most when it is dark
(What am I?)


3. I'm the smartest thing on the planet
Doing calculations in the blink of an eye—
My size may not be substantial
But I really know how to apply
I can work for days and feel alright
I'm never hungry but sometimes byte.
(What am I?)

  
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[[[[1. A dream, 2. A streetlight, 3. A computer]]]]