Set up basic app structure and model.
Initial pass at collecting raw tweet metrics and storing them in S3.
Added basic values to secrets file example.
Handle Twitter API errors when fetching tweets.
Skip metrics files that are already done.
(Allows restarting the process without duplicate work.)
Added daily followers count to accounts.
(Record followers daily even if the account didn't tweet.)
Collect metrics for the specified date, too.
Calculate and store summaries.
Added MV score for tweets. Super exciting!
Daily summary generates great rankings and buckets!
Write daily summary file (the big overview) to S3.
Write summary files for each tweet and account.
Fixed typo.
Write daily ranking files.