Exploratory data analysis

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":...