Jessica Ching shares an interesting giveaway that work.life are doing. In short, one lucky winner who tags their colleagues, clients or friends in their post's comments will win 1 free year of membership. The post? A photo of the offline banner the firm is running in both London and Manchester. A clever way to merge online and offline marketing campaigns.

So far the post has 66 comments, assuming each one tags just a single person, that's 132 potential leads seeing and engaging with the campaign. Have you run any online giveaways? Any tips to share on what worked and what didn't? Let us know in the dicussion.