Instruct: Classify Amazon reviews into positive or negative sentiment
Query: this sucks

i just bought this web cam at staples and it sucks. the picture quality is grainy and even with a 60 watt light shining on me from 4 feet away there's not enough light for a decent picture.I'm taking in right back to the store tomorrow. Don't pick up a cheap web cam just to try it out - other wise you'll end up doing the same as me and plan on spending $50 for something like Logitech QuickCam Pro 4000.Teach me to check customer ratings before I buy.