Expand mean when something is like big or spreded out. For example, in expanded form for 12 it's 10+2
The expand button lets you know more information about a certain tweet - by pressing it, you may see how many retweets and likes there are on that specific post.
It expands the tweets to show you if anyone replies to them, and who favorites and retweets them.
Tosho is a user on Twitter.
RTMI officially on twitter means ReTweetMyIsh
Where Will You Be At.
do you mean his address for twitter ? his twitter is @STEFANABINGDON
It mean Sunday follow .....
Background.
retweet
Please rewrite we don't know what you mean by expand .
It refers to the Twitter PT Challenge. See the related link.
The location on twitter is usually the place where the page's holder lives.