The iPhone Reality in Europe: Low Overall Penetration, Enormous ImpactThree Generations of iPhone Claim 4 Percent Share of European Mobile Market, 12 Percent of All Mobile Media Users, Igniting Fierce Competition Across Global Device Market LONDON, U.K., June 23, 2010 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today outlined the impact the first three generations of