Pusher 'Beams' enables read receipts for push notifications
Pusher has launched a new feature called 'Beams' which provides developers with read receipts for their push notifications, similar to using most IM apps.
Read receipts are not exactly a groundbreaking new feature. Since the early days of SMS, users have been able to opt-in to receive alerts when their messages have been successfully delivered to another device.
With the rise of instant messaging, the feature has become somewhat default. Now when you use popular services like Facebook Messenger you...