Invention by Irene Hueso

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Across
  1. 4. This Invention was created when 19th century was ending.
  2. 5. Who received a letter from Einstein.
  3. 6. Pokemon Go is one of examples used this digital invention.
Down
  1. 1. This digital invention that could help program alarm.
  2. 2. You can read in different places with this invent
  3. 3. This person created the most irritating invent which angered a lot of people.