The market price for your phone book

Image for post
Image for post
Raphaël Labbé [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 4.0–3.0–2.5–2.0–1.0 (https://creativecommons.org/licenses/by-sa/4.0-3.0-2.5-2.0-1.0)], via Wikimedia Commons

Pre-internet days, I found a safely guarded phonebook in the house. It also backed up as an address book. It was usually near the phone. I did not know its value. I had a good idea what my TV would be worth if I had to sell it. Now we have data points on what the address book is worth for leasing/sharing with the outside world.

Facebook bought Whatsapp few years ago. Radio talk show hosts were amazed at the price. I was not. The access to the phone book was implicit to this app — you shared your phonebook in return for the free app. And that trade was worth $42 per phonebook.

With LinkedIn purchase by Microsoft, we had a second data point. Keeping the math very simple, the professional address book was worth $60 per LinkedIn user. [26.2 Billion and 433 million users] This does not factor in value of social network data, adjustment for cash. Even more value for the address book if we divide by active users.

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