Only the person(s) running that page can do that. If you're not one of those people, then it's not yours to change.
There is no setting/input for your date of birth. If you have your age in your bio then you can log in, go to settings, profile, and then change your bio information. (the description etc you type in yourself)
its on like donkey kong
Say something about yourself.
No, unless you put it on your Bio (profile).
Sal Vulcano's Twitter bio is means that Johnny Carson would not of invited him on the Tonight Show. He is just being funny.
The Instagram bio character limit is 150 characters - just 10 more than Twitter's tweet limit of 140! Choose your bio carefully!
no, but most people think OfficialTL is his twitter page. if you read the bio, it says it is the official FAN page.
You would have to book him. You can go to his twitter, @diggy_simmons and see in his bio, how to.
Your header is the picture behind your icon and bio. (Your icon is like your profile picture)
Anything about yourself. You can actually write anything there that you want to share to all your profile visitors in twitter. You can also put some links there, your website URL for example.
As of my last update, Twitter allows users to include one website link in their profile bio. Additionally, users can also add links to their tweets, but there is no specific limit on the number of links within individual tweets. It's important to note that features may change, so it's advisable to check Twitter's current guidelines for the most accurate information.
Joe Barakat does not have his age listed online or in any bio. He does have a Twitter where fans can ask him questions.