They even did tried that out, proposing an yearly payment subscription for the push notification, but that was not well received by customers. http://www.macgas

They even did tried that out, proposing an yearly payment subscription for the push notification, but that was not well received by customers. http://www.macgasm.net/2012/05/16/ask-and-tell-sparrows-subscription-plan-for-push-services-not-a-popular-idea/ http://www.macgasm.net/2012/05/16/ask-and-tell-sparrows-subs...