Create a Google Alert on the employer to know latest developments.
Get there in time, to feel calm and ready for a great meeting.
Do not be worried to say you don't know a response to questions.
Interact, perhaps, with the firm's twitter profile.
Don't go off topic. Keep your brain on the things you are good at.
Advice for Job-hunters:
"Most jobseekers think they can't spend time from course work or their exhausting job. No matter what the rationale, the outcomes are one and the same - any job search will unquestionably waver and you'll be overlooked for crucial employment periods."
It may be helpful to have:
Must act in an appropriate manner
Execute other functions as requested
Somebody who enjoys to 'get stuck in' and complete a mixture of jobs
Relevant background in a comparable position and over one years' involvement in this industry