- Open instant messaging protocols | 20, 20, 3
- Instant messaging | 0, 892, 16
- Messaging software | 0, 1k, 28
- Software | 10, 19k, 413
- Computer | 138, 31k, 724
- Information technology | 0, 31k, 736
- Technology | 15, 50k, 1k
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