Referring directly to another Twitter user by including their
@username in a tweet.
Sending a tweet to one or more Twitter users by including their
@username(s) in the tweet.
Responding to another user's tweet by including their
Twitter's in-depth, real-time search tool, available at
An Internet-based marketing practice in which a business rewards one or more affiliates for each visitor or customer.
Email or text notifications from Twitter about its accounts and services, which can be turned on or off at any time.
A collection of web programming tools made available ...