matsimitsu Karma 87 Created 15 years ago Recent Submissions 1. ▲ How to Keep Your API Consistent with a Single Source of Truth (blog.appsignal.com) 2 points · 11 years ago · 0 comments 2. ▲ How not to write your marketing copy (matsimitsu.com) 2 points · 12 years ago · 0 comments All submissions on HN · View profile on HN