Skype Has 14 Million Concurrent Users

11/10/2008

Within 35 days, Skype has added another million concurrent users. This is good news for Skype as its growth rate (acceleration) had actually decreased in the second and third quarters of this year. The following table (most data was obtained from Jean Mercier) tracks the number of concurrent Skype users since the beginning.

Date	Online users (in 1000)	Days	Rate (1000/day)	Acceleration (1000/day²)
10/20/2008	14,000	35	28.57	0.680
09/15/2008	13,000	210	4.76	-0.091
02/18/2008	12,000	42	23.81	0.277
01/07/2008	11,000	82	12.20	0.102
10/17/2007	10,000	261	3.83	-0.032
01/29/2007	9,000	82	12.20	-0.023
11/08/2006	8,000	71	14.08	0.108
08/29/2006	7,000	155	6.45	-0.061
03/27/2006	6,000	63	15.87	0.087
01/23/2006	5,000	96	10.42	0.041
10/19/2005	4,000	154	6.49	-0.028
05/18/2005	3,000	93	10.75	0.024
02/14/2005	2,000	117	8.55	0.053
10/20/2004	1,000	418	2.39	0.006

The following graph was obtained from http://nyanyan.to/skype/7d_chart.php and it shows the number of online users in the past 7 days and the number of downloads.

Skype online users

Skype Has 14 Million Concurrent Users

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