$30,000 For a Developer Referral?

itwbennett writes "Are good developers really that hard to find? Cambridge, MA-based inbound marketing company HubSpot seems to think so. The company has upped its developer referral bonus from $10,000 to $30,000 — and you don't have to be an employee to get in on the deal. Beats a free puppy. What has your experience been with referral bonuses?"