View All num of num See all Photos Citi This employer has taken extra steps to respond to reviews and provide job seekers with accurate company information, photos, and reviews. Interested for your company?Learn More. www.citigroup.com Employer Engaged Overview Reviews Salaries Interviews Jobs Photos Benefits 3.1k Reviews 6.4k Salaries 1.0k Interviews 5.8k Jobs Follow Add Review or Salary Follow Add Review or Salary Interview Question Technology Analyst Interview(Student Candidate) New York, NY Citi Choose your favorite framework. Why can't a company like Facebook use a third party framework for their mobile application? Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 1 Answer ▲ 0 ▼ because the vendor who provide the framework can hack their application :P Anonymous on 20/11/2014 Add Answers or Comments To comment on this, Sign In or Sign Up.