Why Google Co-Founder Sergey Brin Says His Early Retirement Was 'the Worst Decision' Google co-founder Sergey Brin tried to retire in 2019, but quickly decided that it was the wrong move. Previous Article Blockchain Payments Are Booming — But This Major Obstacle Is Preventing Real Growth Next Article Aspiring Franchise Owners Ask Me This — But They Should Be Asking Themselves 5 Questions