SHIELD-LCD16x2 is Arduino compatible serial LCD 16×2 characters with backlight and 4 buttons which are controllable through UART or I2C.
You have chance to win the prize if you participate our Quiz.
To participate in the Quiz is enough to Re-tweet the Quiz announcement message.
To double your chances you have to answer the Quiz question 
Today at 17.00 o’clock our local Bulgarian time (GMT+2) we will post on Twitter our questions.
You have one hour to reply to our tweet with the correct answer.
At 18.00 o’clock we will count the correct answers and ask random.org to generate random number in range then announce the winner and ship the board by airmail on Monday.
olimex 
Dec 20, 2013 @ 17:59:07
I wonder why you guys every time fail to include a link to your twitter
Dec 20, 2013 @ 18:01:38
good point 🙂 probably because there are links from our web page and we assume everybody know our Twitter account https://twitter.com/Olimex