In 2011, all first-class one ounce stamps became forever stamps with the exception of stamps in coils of 500, 3,000, and 10,000. As the name suggests, Forever Stamps can be used to mail a one-ounce letter regardless of when the stamps are purchased or used and no matter how prices may change in the future.
Testing in production is an important core competency for any world-class test team to cultivate. In this post we will give you some practical tips to make testing in production an achievable reality â and to mitigate the obvious risks that it exposes.
A/B Testing. A/B testing (also known as split testing) is a method of comparing two versions of a webpage against each other to determine which one performs better. By creating an A and B version of your page you can validate new design changes, test hypotheses, and improve your website's conversion rate. Testing takes the guesswork out of website optimization and enables data-backed decisions that shift business conversations from we think to we know..