i cannot be one up'd in this.

Binary.

hex?

hell, any odd base. like, base-22 or something.

Semaphore code.

semaphore?

lol, apparently carlo and i are on the same wavelength

but then you have to use HTML mail. ick.

i already used binary. and that kind of writes off any base switching.

It would be worth it. He'll be completely stuck.

ASL.

sign language

Jinx @chain boy

@Roadrunner: 12345678910 you owe me a Coke

carlo, whats semaphore?

It's phore signalling ships.

smoke signals. you know, in animated gifs.

hehehehe

okay but how on earth would i use it to number things in an email

http://en.wikipedia.org/wiki/Flag_semaphore#Characters

@molly - you'd have to use pictures.

we're messaging via facebook inbox so that would be difficult.

i tried going /, --, , ', but i dunno how fair that is.

oops i messed one up. point still stands

Maybe you could do hash marks? |||| for four, |||| for five

like, |||| -||||- -||||- | ?

tried it. its on the maybe list. i'm thinking braille though

Greek.

α. β. γ. δ. ε. ζ. η. θ. ι. κ. λ. μ. ν. ξ. ο. π. ρ. σ. τ. υ. φ. χ. ψ. ω.

You can even do it in CSS/HTML.
ol {list-style-type: upper-greek;}

hmmmmm... this is good.

i reeeeally wanted to find a way to use semaphore, he'd be so stumped. damnit.

οἱ πολλοί. try harder, you techie nerds.

well i sent one in braille, cause i need to go to bed. but i'll likely have an even more creative reply by morning. unless i get him with this one. unlikely.

Hebrew.

http://en.wikipedia.org/wiki/Hebrew_numbers

Or maybe use a different numbering scheme, like the Fibonacci sequence.

dude, i totally used fibonacci today! score