I have clicked on the link on the tweet and I've accessed the map but I could not drop any new $GEO onto the map...
The interface for dropping magnets is separate from the beta testing environment used for collecting.
If you'd like to assist with the beta testing, please join the Ubiq Community Discord and head on over to the #geo channel.
https://discordapp.com/invite/HF6vEGFI'll need to know your username for
https://geocoin.cash so that I can add you into the backend as a beta tester.