10 Bad Habits That Are Making You Unproductive: 1) Impulsive web browsing. I literally just wasted a half an hour browsing handbags (that I can’t afford!) on Net-a-Porter, so clearly I am a victim of this bad habit. I couldn’t agree with Gillett more... 2) Multitasking. Scientific research has found that only two percent of the population are effective multitaskers.