Twitter algorithm is still unclear to many, even experienced, users.
What’s the life of the tweet? How many people will be able to see it? Why (why not) will some one see it and where?
Here’s a very quick visualization to get the facts straight!
What will I see on Twitter?
So someone tweets something. Will you see it?
If you follow that person, you will, unless that’s a response to someone you are not following
If you are not following that person, you will NOT unless you are Twitter-tagged on that update in:
If you are not following that person but the tweet was RETWEETED by one of your friends, you will see that tweet