Back-linking, blogging and twittering

We need someone to work full time on promoting our website ([login to view URL]). Tasks include: 1. Website familiarisation so that you understand what we offer 2. Back-linking 3. Blogging (i.e. posting postivie comments about DB Gurus on blogs) 4. Twittering (same but on Twitter) 5. Submitting YouTube videos 6. Anything else that you can think of that will help us go up the rankings. The objective is to increase our exposure in a positive way and thus increase our rankings. Hourly: 4 to 8 hours per day.Ongoing. We will require a weekly report on progress.