(1) For the purposes of this Part, the following are "digital activities" -

(a) the provision of a service by means of the internet, whether for consideration or otherwise; (b) the provision of one or more pieces of digital content, whether for consideration or otherwise; (c) any other activity carried out for the purposes of an activity within paragraph (a) or (b)

(2) For the purposes of this section, a service is provided by means of the internet even where it is provided by means of a combination of -

(a) the internet, and

(b) an electronic communications service (within the meaning given by section 32(2) of the Communications Act 2003).

(3) The CMA may treat two or more activities within subsection (1) that are carried out by a single undertaking as a single digital activity where -

(a) the activities have substantially the same or similar purposes, or

(b) the activities can be carried out in combination with each other to fulfil a specific purpose.