Logitech Lift: New Vertical Mouse Is Smaller and, Yes, More Ergonomic - CNET
Logitech Signature M650 review: A silent mouse that speaks volumes | ZDNET
Amazon.com: LOGI Pebble M350 Portable Wireless Mouse with Bluetooth or 2.4 GHz Receiver, Silent, Slim Computer Mouse with Quiet Click for Laptop, Notebook, PC and Mac - Graphite - Asian Version
Logitech Pop Mouse review: Emoji button meets colorful simplicity | Ars Technica
Logitech Signature M650: A quiet wireless mouse for big, small, or left hands | Ars Technica
Logitech Signature MK650 Combo for Business, hands on: An affordable duo | ZDNET
Logitech loses the tech with new Logi brand - CNET