| Short Message Service language(noun, expression, technology, entity, timing) |
| SipXecs(noun, technology, entity, timing, messaging) |
| SmarterChild(noun, technology, entity, timing, messaging) |
| Snapchat(noun, technology, entity, timing, messaging) |
| Spark(noun, technology, entity, timing, messaging) |
| StICQ(noun, technology, entity, timing, messaging) |
| Streamup(noun, technology, entity, timing, messaging) |
| Stride(noun, technology, entity, timing, messaging) |
| Tinychat(noun, technology, entity, timing, messaging) |
| TokBox(noun, technology, entity, timing, messaging) |
| Ubique(noun, technology, entity, timing, messaging) |
| Udde instant messaging(noun, expression, technology, entity, timing) |
| Vault seven(noun, expression, technology, entity, timing) |
| Wickr foundation(noun, expression, technology, entity, timing) |
| Zimbra(noun, technology, entity, timing, messaging) |
| backchannel(noun, technology, entity, timing, messaging) |
| buddy profile(noun, expression, technology, entity, timing) |
| business chat software(noun, expression, technology, entity, timing) |
| chat log(noun, expression, technology, entity, timing) |
| consumer instant messaging(noun, expression, technology, entity, type) |