Kids in New York City will be getting some new textbooks next year. But don?t expect the students to be turning over any fresh pages.

Taxis aren?t the only ones that may be stressing out about Uber Technologies Inc. Transactions from the ride-hailing startup have surpassed rental cars among American professionals, according to Certify, the second-largest provider of travel and expense management software in North America.

One of the chatbots Facebook?s Mark Zuckerberg featured in his widely watched keynote is glitchy. And its developers know it.

EMC Corp. on Wednesday became the third old-guard tech company in three days to report disappointing results stemming from the industry?s rapid shift to new ways of computing.