document: Verizon leapfrogs Sprint PCS with Q2 subscriber numbers The wireless carrier industry 's second-quarter results showed a surprising shift in market share as Sprint PCS fell from grace after a nearly four-year lead in subscriber additions and Verizon Wireless added considerably more customers than analysts expected
doc_bio_tags: O O B I O O O O O B I I O O O O O O O O O O O B I O O O O O O O O O O O O B I O O O O O O O
extractive_keyphrases: wireless carrier industry sprint pcs verizon wireless