“Holland employed a full-time telemarketer who called people who had ordered a $7 case study. First, the telemarketer would ensure that the customer had received the case study and then would follow up with an invitation to a live event on the same topic. “We ended up selling 900 tickets to a $1,500 conference just because we called someone who bought a $7 article.”
“WhichTestWon.com subscribers pay $25 per quarter or $75 per year for a subscription. When I interviewed Holland, I asked her why the cost of the subscription was so low. “That’s intentional,” Holland said. “We keep the price low to get as many paying customers as we can. It’s a gazillion times easier to convert a paying customer into an event attendee than it is to convince a nonpaying customer to come to an event.”
“By early 2014, WhatsApp users were sharing more pictures than were posted on Facebook and the service had twice as many users as Twitter. WhatsApp was adding a million users a day when Facebook decided it had to buy them for $19 billion. WhatsApp is a classic network model subscription, in which the value of being a subscriber increases as more people subscribe.”