https://www.facebook.com/Logitech.US?filter=1
Leave a comment on their daily contest post to enter
5. PRIZE AND PRIZE RESTRICTIONS. Twelve (12) total winners will be eligible to receive one (1) of the following prizes on their respective dates – Total SRV $1,489.88.
12/9/13 – Wireless Mouse M560 – $39.99
12/10/13 – G602 Wireless Gaming Mouse – $79.99
12/11/13 – Ultrathin Keyboard Folio for iPad mini – $89.99
12/12/13- Ultrathin Touch Mouse T630 – $69.99
12/13/13 – Bluetooth Speakers Z600 – $149.99
12/14/13 – G710 Plus Mechanical Gaming Keyboard – $149.99
12/15/13 – FabricSkin Keyboard Folio for iPad Air – $149.99
12/16/13 – Harmony Smart Control – $129.99
12/17/13 – G430 Surround Sound Gaming Headset – $79.99
12/18/13 – Wireless All-in-One Keyboard TK820 – $99.99
12/19/13 – Ultrathin Keyboard Cover for iPad Air – $99.99
12/20/13 – Harmony Ultimate – $349.99