History of serfdom process, referred to as "second serfdom" or "export-led serfdom", persisted until the mid-19th century and became very repressive and substantially limited serfs' rights. Before the 1861 abolition of serfdom in Russia, a landowner's estate was often measured by the number of "souls" he owned, a practice made famous by Gogol's 1842 novel "Dead Souls". Many of these countries abolished serfdom during the Napoleonic invasions of the early 19th century. Serfdom remained in force in most of Russia until the Emancipation reform of 1861, enacted on February 19, 1861, though in the Russian-controlled Baltic provinces it had been abolished at the
Internet in Russia for commercial use which is recognized as the largest urban wireless network in the world. The Black Sea coast of Russia has become an important area for the fiber-optic networks, as it served as a backbone of communication during the Winter Olympic Games in 2014. On October 2010 mobile operator MegaFon has selected Huawei NE5000E routers to construct backbone nodes for a 40-Gbit/s IP/MPLS network in Russia' s largest cities, including Moscow and St. Petersburg, Huawei says. Meanwhile, Megafon also announced the opening of what it touts as Russia’s largest data center in Samara. In 2011 Rostelecom started implementation of