Mobile payments firms in India are now scrambling to make money

Vijay Shekhar Sharma, founder and chief executive of India’s most valuable startup, Paytm, posed an existential question in a recent press conference. “What do you think of the commercial model…

“Content network effect” makes TikTok tough to copy

Many TikTok videos don’t start from scratch, so neither can its competitors. TikTok is all about remixes where users shoot a new video to recontextualize audio pulled from someone else’s…