No, it can be used in different ways, but none of which need to be capitalized. It is also usually a verb, not a noun.
The bird said tweet tweet tweet.
Today, I went and left a new tweet on Twitter.
I tweeted all about that yesterday.
The morning was full of sweet tweeting sounds.
The only exceptions would be the beginning of a sentence, or if it is an actual proper noun.
Tweeting on Twitter is my favorite.
Sylvester always wants to catch Tweety Bird.
I went to the new shoe store the other day. It is called Tweet Feet.
The new Tweet Mapper program is interesting.
The word 'will' should be capitalized only when it is a person's name or the first word in a sentence. As a verb or common noun, it should not be capitalized.
As an abbreviation it should be capitalized.
Yes, Greek should be capitalized.
Yes it should be capitalized.
No it shouldn't be capitalized.
The word 'will' should be capitalized only when it is a person's name or the first word in a sentence. As a verb or common noun, it should not be capitalized.
The second word should not be capitalized
Yes, Sunday should always be capitalized.
As an abbreviation it should be capitalized.
Yes it should be capitalized.
Yes, Greek should be capitalized.
Yes Capitalized
The word "banker" should not be capitalized unless it is at the beginning of a sentence or part of a title.
No, the word "epitaph" should not be capitalized unless it is at the beginning of a sentence or part of a title.
Yes it should be capitalized.
No it shouldn't be capitalized.
Sunday should be capitalized and school shouldn't be.