renn Karma 91 Created 15 years ago About renatovaldes.com Recent Submissions 1. ▲ How could we improve Health on iOS? (medium.com) 2 points · 11 years ago · 0 comments 2. ▲ Karma. (TechStars NY '12) A simple and honest mobile provider. (theverge.com) 10 points · 13 years ago · 0 comments All submissions on HN · View profile on HN