There was a lot to like when Shopify (NYSE: SHOP) reported its second-quarter financial results. The ecommerce company's revenue for the quarter grew 62% year over year to $245 million, topping both the high end of the company's forecast and analysts' consensus estimates. Adjusted earnings per share for the quarter came in at $0.02, better than the $0.01 loss per share in the prior-year quarter, while also exceeding expectations. While investors are always interested in the progress of the various financial metrics, investors can also learn a lot from the conference call discussing the results.Some of Shopify's most informative commentary centered around three of the company's biggest growth initiatives.