Here are two of his seven (actually, eight) points:
See the whole thing.7 tips to totally blow a job interview
#1 Don’t follow the instructions for submitting your resume. If they ask you to email it, fax it instead. If they ask you to send it by postal mail, it’s easier just to email it, right? Hiring managers love to hire people who can’t follow simple directions.
#3 During the interview, be sure to cut the interviewer off and start answering before he/she finishes a question. You are sure to give a 100% answer with only 50% of the question.