The world in your hands (Computing slogan)

Can somebody help me find where the slogan is first published in meaning of computers realm?
What the origin of the slogan?
From google ngram:
https://books.google.com/ngrams/gra...our hands;,c0#t1;,The world in your hands;,c0

First appeared late 50's, then again in 1980, peaking.


Meaning?
Well, from your fingertips, you have access to most of the collected information of the entirety of human history.
Just a few keystrokes away.



But also may be related to palmistry.