Let's look at the JSON acquired from the Twitter API endpoint. A single tweet looks something like this (from the Twitter API documentation example):
{ "coordinates": null, "truncated": false, "created_at": "Tue Aug 28 19:59:34 +0000 2012", "favorited": false, "id_str": "240539141056638977", "in_reply_to_user_id_str": null, "entities": { "urls": [], "hashtags": ], "user_mentions": [] }, "text": "You'd be right more often if you thought you were wrong.", "contributors": null, "id": 240539141056638977, "retweet_count": 1, "in_reply_to_status_id_str": null, "geo": null, "retweeted": false, "in_reply_to_user_id": null, "place": null, "source": "web", "user": { "name": "Taylor Singletary", "profile_sidebar_fill_color": ...