[bostand]

I don't mind the company, but I don't like that a product of a single company has become the defacto communication channel for tech people.

In many gatherings speakers identify themselves by twitter handles instead of email. Do you think that is sound?

[eponeponepon]

  In many gatherings speakers identify themselves 
  by twitter handles instead of email. Do you think 
  that is sound?

No, I very much dislike that. Part of it is that I am (by choice, for sure), not able to use that information, but part of it is, as you say, an objection to a single commercial offering having that position.