How to tactically vote to get the Tories out, depending on your constituency:
https://docs.google.com/spreadsheets/d/19_yf4RL133fBKscvSbID4eRKwztzY9KSI_2BMaI1bU8/edit#gid=0
What's most telling about that document is that it's a political publication at election time yet the person(s) / organisation doesn't publish their name and postal address as is required by law for that type of publication.