I assume you mean "write a column." But where? We're a startup in a developing country, so the interest for that kind of thing over here is pretty thin.
What is your idea?
I'm not entirely sure if a uni kid would appreciate something like that, although I suppose it's possible to use Infinite.ly for their student organizations and such.
In business and life, people ask "How can it benefit me?" before they accept anything.
Put together 3 good selling points. I would hold off on the marketing, Work on getting someone to try it. You don't have to make a profit on the first use, just make sure you show it works. Getting it to work, gives your product value.
University students might indeed be a good test case, because they are more social and more likely to build a good word-of-mouth network for your ideas.
You may want to go to companies and ask them what are their favorite services (e.g. catering services, bands to book, entertainers).
I liked the baked salmon with lemon capers, didnt know salmon was popular in the phillipines...