Groceries, clothes, a computer, a car, and a cell phone all become outdated soon after purchasing them.

No. They are very outdated and don't have many of the features the 4th generation has.

No, "you rock" is not outdated.

Outdated means obsolete, unfashionable, antiquated, and out of date. Something that is outdated is not modern and sometimes is no longer useful. The opposite of outdated is up-to-date or current.

You go to the internet and they have special websites where you can buy them.