They have been stalking me and ringing my unassigned phone number after I accidentally opened an email of these semi shonky conference organisers who have a number of aliases, including Liquid Learning.

when i rang it immediately answered and a recording come on you have reached
2evolve, looked them up and this is their website http://www.2evolve.com.au/ looks like they are telemarketing firm of some description

I called back number (02) 9947 1032 reached IVR for 2 Evolve.

Asking for donations