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Twitter Groups allows you to tag your followers into different Groups. Then you can send a message to those Groups without needing to send the message to each person one at a time!

Twitter Groups allows you to tag your followers into different Groups. Then you can send a message to those Groups without needing to send the message to each person one at a time!

wikis

employees gather on them to write software, map cell-phone base stations, launch branding campaigns.Nearly every new project hatches a wiki. This is especially valuable in a global economy, where engineers in Asia can pick up a project as Europeans go to bed. The new groups that evolve on these wikis raze traditional hierarchies: An intern can amend the work of a senior engineer.

If, like myself, the math makes you wail and gnash your teeth, try the following. Evaluate your network, divide it into groups, give each group a number and determine how many people you have representing each group. Then follow this link to a Shannon Index calculator, enter your the number of people you have in each group, compute and read the value for H1.

The video follows a gossip-like chain of conversations among a group of office workers as they tell each other about building mashups. But, any form of the word mashup gets bleeped-out as a dirty word.