For all of those claiming that of course they know, because big companies always know exactly how much everything they do is worth: 1. Do you think your employ

For all of those claiming that of course they know, because big companies always know exactly how much everything they do is worth: 1. Do you think your employer can calculate the profit margin on what you do? I sincerely doubt it, unless maybe you work in sales or something. 2. How would you calculate the value of HN to YC? 3. How would you calculate the value of iMessage? It has no direct revenue, but it has a huge effect on other revenue. How much though?