Litmus copyright says founded 2005, they moved the business from London, UK to Cambridge, MA, USA in 2009. I went back to screenshots from 2010 and even then they already used USD <a href="https://web.archive.org/web/20101002224250/https://www.litmus.com/pricing/" rel="nofollow">https://web.archive.org/web/20101002224250/https://www.litmu...</a><p>So we're talking about a tip from about 15 years.<p>> as Paul discovered when he stopped pricing exclusively in Euros (€)<p>Why would a UK company charge in Euro?<p>Is there a secondary source for the quote?<p>> Paul’s 500% increase in revenue is definitely above average<p>4-5x in conversation, that's not necessarily the same as revenue
> However, as Paul discovered when he stopped pricing exclusively in Euros (€) and started pricing North American customers in USD ($), even this very simple change can be incredibly profitable.