Drones and exoskeletons can help deliver medicines to remote areas. Wi-Fi signals can be used to monitor sleep patterns with 80% accuracy. WhatsApp will allow scheduling messages to be sent on future dates. The FrontRow camera can livestream to social media from its necklace-style design with 50 hours of battery life. The new USB 3.2 standard in 2019 may provide data transfer speeds up to 20 Gbps. Leaks of Apple's iPhone 8 point to a bezel-less design with face unlock and potentially under-screen fingerprint scanning.