Текст песни Beta Losers

The warranty expiry date has been and gone and no-one even noticed
But all our friends were there when you broke down

Since when did our relationship become obsolete?
I'm sorry if I thought that the equation would always be you plus me

Now I feel like I've been dumped but I've been superseded

You were the pride of every lounge room onceDarren Hanlon - Beta Losers - http://ru.motolyrics.com/darren-hanlon/beta-losers-lyrics.html
But now you've found out that you're worth nothing
That you're worth nothing

Now each of my arguments you laugh at but it's still a superior format
I might only have five videos to choose from but I can still tape off TV

Now I feel like I've been dumped
I feel like I've been dumped
What's the difference between dumped and superseded?