In a post today, Twitter says that some older tweets are now going to
be available. How far back? That’s not said; but, it seems like tweets
that are particularly popular or notable will be available. From
Twitter’s post:
As we roll this out over the coming days, the Tweets that
you’ll see in search results represent a fairly small percentage of
total Tweets ever sent. We look at a variety of types of engagement,
like favorites, retweets and clicks, to determine which Tweets to show.
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Have You Met Twitter’s Advanced Search?
I had more luck when I used Twitter’s advanced search feature.
There, I was able to narrow my search to tweets made just by the
@barackobama account for “four more years,” and that brought the famous
tweet up: