Razer Naga gaming mouse requires always-on Internet connection, license agreement says they can use this to spy on you | Boing Boing
Review: Razer Naga
Razer Naga 2012 Edition Review - GameGuru
Razer Naga 2012 Edition Review | GodisaGeek.com
Razer - The folks at Rtings.com reviewed over 30 mice and crowned both the Razer Viper Ultimate (Best Wireless) and Razer Naga Trinity (Best Wired) as the Best Gaming Mice for this