I've never even connected the 'X' to the Greek letter chi. I just kinda accepted it as one of many groovy web 2.0 misspellings in search of a domain and trademark.
This is particularly funny because arXiv doesn't just predate Web 2.0, it nearly predates the public web entirely (only missing it by about two weeks)
This is particularly funny because arXiv doesn't just predate Web 2.0, it nearly predates the public web entirely (only missing it by about two weeks)