Twitter is all about facilitating conversations, but until you’re following some people, it’s just a blank page. Once you find people to follow and talk to, however, Twitter becomes exceptionally useful. You can share thoughts, ask questions, get updates about news, music, brands, and businesses, and discover helpful links and…

This post is part of Mashable’s Spark of Genius series, which highlights a unique feature of startups. If you would like to have your startup considered for inclusion, please see the details here . The series is made possible by Microsoft BizSpark. Name: UserTesting.com Quick Pitch: Provides real users who record their screen and …