Social impact - Examples of mental methods (1/2)

Educative methods

• US5443036 1993: Method of exercing a cat
• US6015947 1999: Method of teaching music
• US6024577 Fujitsu 1997 : Network-based education system with capability to provide review material according to individual students' understanding levels

Management methods

• EP209907 1989: General-purpose management system, method for operating said system and transfer slip
• US6070142 Andersen Consulting 1998: Virtual customer sales and service center and method

Electronic trading methods

• US5724424 Open Market 1995: Digital active advertising
• US6029141 Amazon.com 1997: Internet-based customer referral system