Growth for Twitter is heavily weighted in emerging markets. India and Indonesia will see the most consistent growth patterns throughout our forecast period, both experiencing increases well above 50% this year. Large growth rates frequently reflect a small installed base, but not in the cases of these two countries: India and Indonesia will rise to have the third- and fourth-largest Twitter populations in the world in 2014, with 18.1 million and 15.3 million users, respectively—both surpassing the UK for the first time this year for the number of users. With a sizeable internet user population, the growth potential in each of these countries remains significant for the foreseeable future. Read the rest at eMarketer.