Rooftops
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Portable Telephone
Description
The essence of a cell phone.
Novel
Space Cadet
Author
Robert Heinlein
Built
Yes
Year Made
1970s
Companies
Product
Mobile phones
// TECHNOLOGY–
SECRETS–
WORTH-SHARING
PUBLISHED
18.04.21
FILE SIZE
497 KB
FILE FORMAT
MP4
NAVIGATION
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“The best way to keep a secret is to shout it from the rooftops” – Edwin Land
Rooftops
