Hiking safety app Cairn is creating a cell coverage map for the wilderness – GeekWire

Hiking safety app Cairn is creating a cell coverage map for the wilderness
GeekWire
Cairn, a new iOS app from Trover and Expedia veterans Ali Alami and Tove Martin, lets you easily enter the details of your hike, whether it's a three day climb up Mt. Rainier or a half-day trip up to Hurricane Ridge, and keeps your friends and family

map app – Google News