How do you make an interesting convo through the computer with a guy? Any...

[SomecallmeBill™]

...good topics and is this normal even? Why are some guys so boring over the computer? Like its normally hey, hey whats up nothing much u and the convos over. Does anyone else notice this too? Is it just guys? Cus i don't really find that happens when i talk to my friends that are girls
What are some good topics to keep stuff flowing?