Article references

1. The 5-Minute Guide to Cheap Start-up Advertising from OnStartUps.com
2. Whom Should You Hire at a Start-up (Attitude Over Aptitude) from BothSidesoftheTable.com
3. Top 5 Mistakes to Avoid on Your Company Blog from OpenForum.com
4. Facebook "Likes" More Profitable than Tweets from Mashable.com