Marketing application created for kayaking company kajakisekowski.pl
Application isn't available without authentication for obvious reasons. It's used internally in company
The main idea of this app is to catch GA-client-id during redirection. Admin is giving a client phone number and URL which is going to be shortened. Shortener URL is sent to the client. It means when client click shortener link, he sees redirection screen but under the hood application give him a ga-client-id and after that app will redirect him to previously entered URL