i3 - November/December 2018 - 41

Consum

er
m
u
s
n
o
C

NIKLAS ZENNSTRÖM
(1966 -)

er

JAAN TALLINN
(1972 -)

JANUS FRIIS
(1976 -)

C

alling folks around the
world used to be an
expensive proposition,
by both standard phone lines
and especially cellular. But in
August 2003, using software on
a personal computer connected
to the internet, a Swede, a Dane
and three Estonian coders
united to launch Skype, the first
mainstream voice over internet
protocol (VoIP) calling service,
whose software has been
downloaded more than a billion
times and has more than 300
million active users daily
Niklas Zennström,born
February 16, 1966, in the
Stockholm, Sweden, suburb
of Järfälla, earned degrees
in business administration
from Uppsala University and

C TA . t e c h / i 3

Techno

engineering physics from the
Royal Institute of Technology,
then spent a year at University
of Michigan. In 1991, he got a job
in Amsterdam at the European
telecom operator Tele2, and
helped build the company's dialup internet service.
In 1996, Zennström met Janus
Friis at Tele2. Born June 26, 1976,
in Copenhagen, Friis dropped
out of high school to work at
the Danish ISP CyberCity before
getting a job to lead Tele2's
customer support. Zennström
and Friis together launched
get2net, another Danish ISP.
But the pair left Tele2 and, in
January 2000, Friis moved into
Zennström's tiny Amsterdam
apartment to develop the peerto-peer music sharing application

logy

Techno

l o gAHTIy(1972HEINLA
-)

PRIIT KASESALU
(1972 -)

Kazaa, along with three
engineers from Tallinn, Estonia:
Ahti Heinla, Priit Kasesalu and
Jaan Tallinn. The three school
friends had co-founded games
studio Bluemoon Interactive
in 1989, and created the first
Estonian commercial computer
game, Kosmonaut.
Born May 2, 1972, in Tallinn,
Heinla's parents were both
computer programmers,
teaching him to program at age
10. After co-founding Bluemoon,
he attended the University of
Tartu, and then worked as a
programmer on the Swedish
Everyday.com web portal in
1999, which brought him to the
attention of Zennström and Friis.
In 2002, Heinla was named chief
technical architect of Skype,

overseeing the creation of its
underlying technology.
Kasesalu, born April 10,
1972, worked with Tallinn as a
programmer for a local hardware
manufacturer of 8-bit PCs for use in
public schools in 1986, then earned
a degree in automation and system
technology from Tallinn Technical
University. With Heinla and Tallinn
at Bluemoon, as well as Zennström
and Friis, he helped develop Kazaa
along with several other peer-topeer services before becoming a
core library developer for Skype.
Tallinn, born February 14, 1972,
was programming Z80-based
Yamaha MSX computers when he
met Heinla and Kasesalu in 1988.
He earned a B.S. in theoretical
physics from the University of
Tartu in 1996.

NOVEMBER/DECEMBER 2018

41


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i3 - November/December 2018

Table of Contents for the Digital Edition of i3 - November/December 2018

Contents
i3 - November/December 2018 - Cover1
i3 - November/December 2018 - Cover2
i3 - November/December 2018 - Contents
i3 - November/December 2018 - 2
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