Speaking at yesterday’s Apple Worldwide Developer Conference (WWDC), ceo Steve Jobs said “five of the six biggest publishers in the US tell us that the share of iBooks is up to about 22 percent — in about 8 weeks.” That confirms and also well exceeds our report gauging the market about a month after the iPad launched (on May 6), when large publishers said the iBookstore was capturing ebook market share for them of 12 to 15 percent, and indicates continuing ramp-up as Apple puts more units into the marketplace. Jobs also said, “in the first 65 days, users have […]