“I HAVEN’T accomplished anything I can be proud of in my 60 years on Earth,” Masayoshi Son, the boss of SoftBank, a Japanese telecoms group, recently confided. Now he has enough money to make a dent in the universe: on May 20th SoftBank and Saudi Arabia’s Public Investment Fund (PIF), along with smaller investors including Apple and Sharp, launched the world’s largest technology-investment fund, worth nearly $100bn.