There have been 9 Million Google Buzz posts and comments on the first two days. I wondered whether this huge success resulted in a decline of Twitter usage. So I tried to chart the number of daily Twitter status updates over the last 10 days.
(The Google Buzz rollout started on 2/09/2010 11:06:00 AM)
The data shows that there has been a drop in Twitter usage by almost one third on Tuesday when Buzz was rolled out. The usage recovered on Wednesday and Thursday. (I don’t have the number for today yet)
Method: To count the number of tweets per day I used the Twitter Search API. Twitter assigns an auto incremented id to every tweet. The number of tweets during a given time period is the difference of the period’s first tweet’s and last tweet’s ids. Use this query and alternate the “until” parameter to try it yourself.
