For Vodafone Hungary, Swisscom, Telecom Italia and Vodacom of South Africa, the long-awaited arrival of the mobile Internet and wireless video - so-called third-generation technologies - could not have come sooner. Rising use is helping the operators finally repay the millions they invested in high-speed networks and licenses, money spent in some cases nearly a decade ago.But success, according to network equipment makers, is bringing strains on many operators, who are being required to invest more to soup up their networks and unclog the data bottlenecks caused by the high-volume Internet surfing and streaming video.

Via: IHT