Review Twitter’s political contributions and lobbying expenditures via non-partisan OpenSecrets.org:
https://www.opensecrets.org/orgs/twitter/summary?id=D000067113
Category: Twitter
Twitter – Rules and Policies
Access Twitter’s Rules and Policies:
Twitter – Privacy Policy
Access Twitter’s Privacy Policy:
Twitter – Terms of Service
Access Twitter’s Terms of Service:
Twitter US SEC filings – EDGAR search
Access Twitter’s US Securities and Exchange Commission filings from the EDGAR database:
Patents owned by Twitter, Inc. – Google Patents search
This Google Patents search retrieves patent applications owned by Twitter, Inc. and displays them newest-to-oldest:
https://patents.google.com/?assignee=twitter%2c+inc&sort=new
Twitter – C-SPAN content
The C-SPAN organization page for Twitter provides access to recorded congressional hearings featuring testimony from Twitter executives, and related content:
https://www.c-span.org/organization/?59498/Twitter
Scroll below the People heading to access recordings.