find corpus (large, diverse amount of text) of chat messages in English

Closed - This job posting has been filled and work has been completed.

Job Description

I need you to find very large amounts of chat messages for a semantic analysis study. you can look for them:
- just google anything related to chat histories
- you can also search for sms messages archives
- search for studies on semantic analysis
- check all messenger and chat products that existed and see if any of their user conversations are available online
- chat histories for audiences of 10 to 20 years are much preferred

I need a large corpus (20'000 messages or more) from various user groups. If you don't have exactly what I'm looking for suggest what you have.
the task is compensated hourly, but a _substantial bonus_ will be provided if the corpus is over 500'000 messages.