Sharing allowsText Message along with all the other communication media on your phone. Two methods, Export GPX or Share. Export GPX can put the marker, track or route on your chart plotter device if its bluetooth or WiFi linked to your phone. Share sends out to selected contact by chosen media, email, messages, face book, Twitter, what ever is on your phone. Very quick, very effective. I shared markers and tracks to Bird Lakemaster via FishSmart, Garmin via Active Captian. My android to iOS iPhone both ways. Although will not translate on Garmin Basecamp to my Garmin hand helds with lake map chips which seems odd as Garmin now owns Navionics. Cool feature.