Hi, I'm David Turnbull.

Latest posts

• Quick tweaks to improve Ahoy analytics data

  Jun 16, 2025

  #ruby_on_rails #analytics

• A few of my favourite things: 2023

  Dec 22, 2023

  #books #podcasts #gear

• The Essential Mix 30

  Dec 09, 2023

  #music

• Likes won't keep the lights on

  Oct 06, 2023

  #marketing

• The true cost of 'free' marketing audits

  Sep 19, 2023

  #marketing #startups

• How cargo cult growth hurts early-stage startups

  Jun 27, 2023

  #marketing #startups #growth

• SaaS metrics: Customer Acquisition Cost (CAC)

  Jun 22, 2023

  #marketing #startups #analytics

• Acquiring profitable SaaS leads from Capterra

  Jun 22, 2023

  #marketing #startups #growth

• Case Study: Oliver James Group

  Jun 14, 2023

  #case_study #ecommerce #amazon_fba

• All software has a cost

  Nov 25, 2022

  #marketing #startups