If you or your organisation is not yet a member of World Heritage UK and youwouldliketo take advantage of the free ticket offer, please go tojoin here for more information on how to sign up.
If you are a twin (identical or non-identical) aged over 15 who wouldliketo volunteer tojoin the 10, 000 twins on the register of the Twin Research Unit at St Thomas' Hospital, call 020 7188 5555.
Select from this list the ones you want to network with and then choose who else in your contacts youwouldliketo invite - though bear in mind they will get an e-mail from Twitter asking them tojoin up, so choose carefully the people you think will not mind this.