Merchants who have a WordPress e-commerce store are notified of new orders via a text message to their mobile phone through Twilio.
Visit twilio.com to register for an account.
Shopp is an ecommerce plugin for WordPress. Learn more about Shopp.
Yes, there are different extensions available including emailing marketing, short message service (sms) notifications, forms & reporting, help desk, and more. Please visit Shopp 101.