[james-bcn]

I agree. Phd students are often not particularly wealthy and may have to pay for this service out of their own money. Companies looking for specific expertise however are likely to have funds for it, and be more than willing to pay for a good service.

[chasebonhag]

Great point. The good news is we're offering our tool for free to PhD students right now as we work to get universities to cover sitewide licenses for faculty and students.