a content piece. In 2010 Nielsen began rolling out its "anytime anywhere media measurement" initiative, which includes DVR views in the television figures. Dubbed “GTAM,” which stands for Global Television Audience Metering, is based on the development of new audience metering technologies aimed at dealing with all of the conceivable challenges involved in measuring the video viewing behavior of contemporary consumer households across multiple platforms (TV, Internet, mobile devices). Existing A/P meters will be replaced by so-called GTAM meters which are expected to utilize a combination of active and passive measurement technologies. However, unlike A/P meters, they will not require a physical connection to any media devices to function. The wiki engine software MediaWiki can be equipped with the HitCounters extension as a form of audience measurement and determining the wikiFactor, a rough measurement of a Wiki web site's popularity. With the increased popularity of webinars and large video conference sessions e.g. due to the remote work requirements during the COVID-19 pandemic, a new set of direct and anonymous audience engagement tools, such as Mentimeter and Actymeter became popular. These micro audience measurement tools allow anonymous surveys with immediately displaying results. New media Nielsen//NetRatings measures Internet and digital media audiences through a telephone and Internet survey. Nielsen BuzzMetrics measures consumer-generated media. Other companies collecting information on internet usage include comScore, Wakoopa, and Hitwise, who measure hits on internet pages. Companies like Visible Measures focus on measuring specific types of media; in the case of Visible Measures, they measure online video consumption and distribution across all video advertising and content. GfK offers Cross Media Measurement Solutions that allows to attribute offline sales to media exposure across TV, Internet and Mobile utilizing its proprietary LEOtrace technology. Sightcorp, TruMedia, Quividi, relEYEble, stickyPiXEL, Cognitec, goCount and CognoVision provide real-time audience data including size, attention span and demographics by using video analytics technology to automatically detect, track and classify viewers watching digital displays. Networked Insights measures online audiences, and released a report ranking television shows, based on people's interactions within social media. The study showed that half of the shows on Networked Insights' top 10 list did not appear on the Nielsen Media Research (NMR) list. According to "The Television Will Be Revolutionized" by Amanda D. Lotz, one of the most challenging aspects of audience measurement during the multi-channel transition resulted from the intermediary nature of new technologies and distribution systems. The sampling techniques that