[2] The original launch of Moonpig in 2000 coincided with the collapse of the dot-com bubble, which made progress difficult at first, but Jenkins raised further investment from private investors and venture capital, and the advent of broadband and digital cameras together with news spreading by word-of-mouth meant sales steadily increased, with the first profits being made in 2005.

[3] A television advertising campaign began in the United Kingdom in November 2006. two years and four months later, Moonpig received more internet traffic than other flower and gift companies in the UK.

[4] By summer 2009, the company had sold cards to 2.57 million customers and its profit record was seen by The Times as "a typical curve for a successful start-up – a big, £1 million loss establishing it in its first year, negligible losses edging into negligible earnings over the next six years, and thereafter a seven-figure profit".

[10] On 2 February 2021 Moonpig Group was listed on the London Stock Exchange; its market capitalisation at the end of the first day of trading was over £1.2billion.

[11] In August 2013, a private developer discovered a vulnerability in the Moonpig API that made it possible for outsiders to retrieve the personal information of all three million of its users (names, birthdays, postal addresses, email addresses, phone numbers, the last four digits of credit card numbers, and credit card expiry dates), and informed Moonpig.