the plural of anecdote is not data.
from 2003, http://www.highbeam.com/doc/1G1-110814573.html
Once the decision to purchase is made, 78 percent of the
participants said they wanted to use the product right
away and therefore choose to immediately download the
software. When purchasing CD-ROM versions, specifically,
46 percent requested delivery within a few days.
they don't mention sample size and perhaps have an agenda.