Both are equally safe as they have the option of having a private account.
There is usually an application that allows you to twitter from or to myspace via twitter or Myspace. If you go to myspace and seasrch twitter in the applications or even go to the twitter site they should be able to let you link your account from there.
Myspace: http://www.myspace.com/lilcoreyofficialmusicpage Twitter: @LILCOREYTSwagg
Myspace with an intelligent user
yes an official myspace but not a twitter
because twitter and myspace form a pact so what ever u put down on your twitter it will appear on ur myspace page
yes twitter is more safer than Facebook.
He does not have Twitter.
Twitter - @iamseanmcgee
Myspace is more popular.
twitter seems to be more popular but myspace has more features i think =P
He doesn't have Twitter.
Log in to Twitter and go to settings. Click on the "connections" tab and then "revoke access" under MySpace.