As a Twitter user, you can only have 1 account for one email address, and you can post no more than 140 characters on Twitter. Besides 1 and 140, there are also another 10 important and interesting numbers about Twitter, just as below:
1. Number 3
3 is a very important and meaningful number for Twitter:
- The official Twitter account has three lists.
- Twitter was founded on March 21, 2006.
- Jack Dorsey, Biz Stone, and Evan Williams are the founders.
2. Number 15
There are a total of 15 Twitter official accounts on Twitter.
3. Number 20
On every Twitter webpage, such as Home, Profile, List, etc, you can see only 20 tweets unless you click on the MORE button.
4. Number 150
The default rate limit for calls to the REST API is 150 requests per hour.
5. Number 800
On Twitter Home page, you can only see a total of 800 tweets.
6. Number 1000
You can follow no more than 1000 users on Twitter per day.
7. Number 2000
When you have followed 2000 users, there will be limits to the number of additional users you can follow. And the number is based on your ratio of followers to following, which is not published.
8. Number 2006
Twitter was founded on March 21, 2006.
9. Number 3200
You can only access to the latest 3200 tweets of every Twitter profile, whether on the Twitter website or from the third-party applications.
10. Number 20000
To break the 150 requests, you can apply for a whitelist, which will allow you to call the REST API 20000 times per hour, whether from an account or an IP address.
Besides the above 10 numbers, 11 is also an important number, since Twitter was ranked in 11 on Alexa Top 500 Global Site.