John Caudwell, the mobile mogul behind Phones 4u, just got a harsh reminder: even billionaires can fall for tech hype. His investment in Vashi, the bespoke jewelry startup, ended in a £170 million collapse due to alleged mismanagement and inflated inventory claims. Does this show that no amount of experience shields you from startup risks, or should due diligence in tech investing be even more rigorous? #Tech #TechInvesting #StartupRisks