Honor Oak and Crofton Park mystery shopper

As revealed on the Brockley forumNotes of an Idealist reports a mysterious letter they received from someone planning to open a shop in Honor Oak or Crofton Park, asking residents to complete a survey, saying what kind of shop they'd use. It's a curious approach, but you can take part in the survey here: http://surveymonkey.com/s/MCSJHBN