http://www.openpaymentsystem.com/news/ops_news/index.rss Latest OPS News from Open Payment System http://www.openpaymentsystem.com/news/effective-invoicing/index.html Read our comprehensive guide to effective invoicing for SMEs. http://www.openpaymentsystem.com/news/cash-flow-control-best-practice/index.html Read our inclusive guide on how to marginally improve your credit management http://www.openpaymentsystem.com/news/mobile-payments-lead-the-way/index.html More and more retailers invest in mobile payment solutions for their customers. So why shouldn’t any business that accepts payments?