Rebirth in Parallel Universe

Daniel is reborn into a parallel world during the 1990s. Compared to his previous world, the technology is lagging in the current worlds era.
But the thing is there is a huge library inside his head which has all the knowledge in the universe.
What will he do?
After 10 to 15 years...
"WHAT!! he is a major shareholder of both Google and Apple?"
"Cough...cough Not just Google and Apple. Even Amazon, Microsoft, Facebook and many more" The person added.
"WTF!!!"
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