It's apparently a carrier pigeon Twitter instead of a carrier pigeon IM though.
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In that vein we are proud to announce Meebo Carrier Pigeons.
Over the next six months, Meebo will be building the world’s largest and most comprehensive network of pigeon roosts and training a vast messaging army to bring web-based communication to the skies. Here’s how it will work: right-click a Meebo buddy on the buddy list, select “send message by carrier pigeon”, and enter a 140 character max message. The message will be relayed to the closest roost to your target, the message will be attached to the pigeon by our ASPCA-approved pigeon-handling robot, and our revolutionary new auto-location service will program a magnetic collar attached to the bird, taking advantage of their natural homing instincts to guide your message unerringly to the target.
In that vein we are proud to announce Meebo Carrier Pigeons.
Over the next six months, Meebo will be building the world’s largest and most comprehensive network of pigeon roosts and training a vast messaging army to bring web-based communication to the skies. Here’s how it will work: right-click a Meebo buddy on the buddy list, select “send message by carrier pigeon”, and enter a 140 character max message. The message will be relayed to the closest roost to your target, the message will be attached to the pigeon by our ASPCA-approved pigeon-handling robot, and our revolutionary new auto-location service will program a magnetic collar attached to the bird, taking advantage of their natural homing instincts to guide your message unerringly to the target.

