Video: BigCommerce vs Magento

Bigcommerce provides ecommerce software solutions and shopping cart software for online businesses. Our free, premium-grade design themes give your store a professional look with no design skills required. Build or tweak your store without any coding. We offer access to HTML, CSS and WebDav for full customization. Seamlessly integrate with industry-leading tools to market your products, run your business and better serve your customers.
The most flexible enterprise-class eCommerce platform to power your business. It's got the enterprise-class features and the flexibility you need to create an eCommerce solution tailored to your unique needs. And to help you drive more traffic to your store, convert browsers into buyers and boost online revenue.
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2015 - Magento integrates with Pinterest to win over BigCommerce

Magento has launched the new Pinterest Buyable Pins extension, designed to work seamlessly with your Magento online store. So Magento merchants can now sell their products directly on Pinterest through Buyable Pins. Buyable Pins make it easier than ever for shoppers to buy their favorite finds and Pins right from their Pinterest iPhone or iPad app. And, the best part is that Pinterest won’t take any cut from your sales as Buyable Pins is currently free of charge to merchants. Social-driven retail sales and referrals are outpacing all other online sales channels according to a recent Business Insider report and Pinterest alone accounts for 16% of social revenue. So we may assume that Magento is now more social if compared vs BigCommerce