No nonsense - plain English version:
We are not going to sell your data or do anything dodgy with it.
We have no intention of spending hard earned money storing your data for the next hundred years or so.
Which is why as soon as the recruitment phase is complete, all uneccessary data will be deleted from our database.
UNECCESSARY DATA = All information from a person that has not been hired.
By completing this survey, you agree to the temporary storing of your contect data for the purpose of arranging an interview.