Which is an example of synchronous communication?
e-mail
voicemail
O text message
telephone conversation

Telephone conversation

Explanation:

Any real time conversations are synchronous.

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

~