Mobile phone throwing interested and every year the Championships gathered a wide range of nationalities to Savonlinna to throw the cell phones. Lawrence University has hosted a Rotary Phone Throw in 2005, 2006, and 2007. This competition has similar rules to the mobile phone throw, yet uses rotary phones. Nokia, which is one of the leading cell phone giants in the world, has its headquarters in Finland. Lead organizer Christine Land was inspired to create the event back in 2000. Back in the first event, a leading insurance company in Finland sponsored the event for recycling purposes. According to insurance companies, there are
Prepaid mobile phone service providers, mobile service providers losing a mobile account call it "churn". In the early years, a prepaid mobile phone could only be used within the network of the operator from which the customer purchased the phone. It was not possible to roam onto other GSM networks when using the phone abroad. This was because the operator had no way to bill calls in real time from another network. However, most prepaid phones now offer roaming using one of the following methods: As of July 2013, at least 80 countries globally (including 37 on the African continent) have mandated, or