Recent quotes:

Top 7 split testing blunders you must avoid – VWO Blog

You have several options when it comes to copy. Hypey versus soft. Long form versus short form. Professional versus personal. And while you may “think” you know what type of copy works the best, it’s impossible to know until you test it. But here’s a tip to get started. In MOST cases, a mix of hype versus soft… long form… and personal… works the best.