*how many people are O.K. paying for their core services, i.e. how many people p...

		tremon 56 days ago \| parent \| context \| favorite \| on: WhatsApp introduces ads in its app how many people are O.K. paying for their core services, i.e. how many people pay for paid personal e-mail services? Why are you using that as an example, and not asking how many people pay for their cellular data plan?