In the last period, 2015 Q1, the largest presented item is Vivo | Wireless Service with Market Share of 28.9%. The fastest growing participant in our report is Vivo | Mobile Broadand with 3.07% growth in Market Share over 5 quarters between 2014 Q1 to 2015 Q1. The slowest growing topic is Vivo | Wireless Service with 0.7% growth over the same period. This report is based on data published by Teleco Brazil