The phenomena of putting the transmission online by TV channels came after the emergency was imposed by President Musharraf on November 03, 2007l; when all TV Channels were capped to on air their transmission in Pakistan.
The ban hit Geo TV the worst that remained offline for about three months. During this, Geo TV and others TV Channels, including, ARY One World, Dawn, AJJ TV etc started broadcasting their live feeds on their websites.
Watch GEO NEWS LIVE
http://www.geo.tv/geoip