Zahan Malkani talked during QCon London 2024 about Meta's journey from identifying the opportunity in the market to shipping the Threads application only five months later. The company leveraged Instagram's existing monolithic architecture and quickly iterated to create a new text-first microblogging service in record time. Soon after Elon Musk acquired Twitter, Meta saw an opportunity to create a competing service but had little time to launch it to attract existing Twitter users, who were look...