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Send private Twitter messages to specific groups of friends.
Create a new Twitter account specifically for your group (e.g. initechwebdevs or smithfamily). If you want to make this a private group, make sure that updates are protected in the settings.
Register your group’s new Twitter account at GroupTweet.com
Tell all group members to follow the group account you [...]

Twitscoop was built to help you stay on top of twitter’s hot topics or discussions.
Through an automated algorithm, twitscoop crawls hundreds of tweets every minute and extracts the words which are mentionned more often than usual. The result is displayed in a Tag Cloud, using the following rule: the hotter, the bigger the tag cloud.
Twitscoop [...]