These are some sounds made in 2001 with a microphone (except for two) slowed down and reversed in Sound Recorder, the end results sounding science fictiony.
future1.wav
The is the microphone striking a soda can.
future2.wav
I think this is the microphone bumping a soda can twice, reversed.
future3.wav
Something really slowed down.
future4.wav
I don't know
future5.wav
Don't remember what this was, but it's reversed and slowed down with a lot of echo added.
future6.wav
Microphone hitting something metal slowed down and played backwards.
future7.wav
Sound from Instant Messenger reversed and slowed down.
future8.wav
Sound from Instant Messenger simply slowed down.
future9.wav
More soda can hitting, this time slowed down to sound like a robot.
future10.wav
Same as above, speeded up a little.