Job Boards - R.I.P? UK Show

There is a lot of talk about the drop in advertising revenue on the job boards. Is this a sign of the recession or is the challenge of social media winning the battle? Twitter is now the largest job board with over 400,000 jobs a month. It is free to post but not for long. What impact will the twitter paid for model have on postings? What are the job boards doing to face the challenge or what should they do to compete and grow again? Jump in and have your say.