Unlimited but no more than 1000 per day or 100 per hour
Gmail has no capacity of holding messages. The upper limit to the messages is infinity. However the limit here is the size which is 15 GB per user.
The official definition is: Twitter is a social networking and microblogging service, owned and operated by Twitter Inc., that enables its users to send and read other user messages called tweets.
The average Twitter user has 126 followers.
126
'The Scream' on Twitter is the most popular user under this search. This user has 5,099 followers. However, if you actually go to 'Screm' this user has 10 followers.
When logged in to your account, the Twitter homepage will have a section that says: "Direct Messages". Click on this link and from here you are free to message your followers. Or, you can find someones user name and enter it into the "Send to", section.
Tosho is a user on Twitter.
You may send a tweet (or @reply) to anyone on Twitter; you certainly don't have to be following them! Following a Twitter user just means that all their tweets appear in the "timeline" on the home page of Twitter when you log in. (Along with your tweets and the tweets of anyone else you may be following.) To follow someone, go to their Twitter page and click the "follow" button. Anyway, to send a tweet to any Twitter user, just include an @ sign followed by the username of the user you want to send the tweet to. For example, if you want to send a tweet to the user with the username JohnSmith, include @JohnSmith in you tweet.
Here user name is Sassypizzazz on twitter.
You can talk to any user on Twitter.
Go to their username, try to follow them then at the top of the screen it will tell you that "this twitter user has blocked you from following them.
To follow someone on Twitter, simply means you receive updates from that person/group. Updates on Twitter are short messages (140 characters or less). These updates are known as tweets. And anyone who follows you will see your tweets you have made on their wall when they sign in.