Grolsch are giving away 4 packs of 500ml cans.
If you visit http://www.grolsch.co.uk/ and click on the VISIT JOURNT banner, it plays a video. If you follow the audio instructions and text your name to the number on Journt's business card, it texts you back either saying try again tomorrow or with a link to voucher for a free 4 pack!
Picking mine up on the way home!!