Can I help you? On Twitter, the answer is no.

We put customer service to the test at companies from Zappos to Delta to Bank of America, asking for help over Twitter, on the phone, and on the web. The results were surprising.

More from Fortune.com
Conan 2.0
How a late-night Luddite accidentally fought his way back into bedrooms (and computers, smartphones, and tablets) across America. More
Twitter investor nears final close on big new fund
Insight Venture Partners recently told the SEC that it had closed on approximately $1.05 billion for its seventh fund. More
Why a tiny iPhone could be a big deal
Has Apple built a smaller, cheaper smartphone that is carrier independent? More
More Galleries
5 biggest share buybacks of 2014
5 biggest share buybacks of 2014
Stock repurchases are booming. These five companies are ready to spend over $79 billion on buybacks. More
10 horrifying corporate mascots
10 horrifying corporate mascots
McDonald's Happy is part of a long lineage of creatures great and small that shill for products and mortify consumers. Mr. Mucus, anyone? More
5 best cities to launch a career
5 best cities to launch a career
The top spots in the U.S. for new grads to land a job -- and actually enjoy life -- according to financial site WalletHub. More
Contact Us Closed Captioning Manage Cookies+ Site Map

Most stock quote data provided by BATS. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer. Morningstar: © 2018 Morningstar, Inc. All Rights Reserved. Factset: FactSet Research Systems Inc. 2018. All rights reserved. Chicago Mercantile Association: Certain market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. Dow Jones: The Dow Jones branded indices are proprietary to and are calculated, distributed and marketed by DJI Opco, a subsidiary of S&P Dow Jones Indices LLC and have been licensed for use to S&P Opco, LLC and CNN. Standard & Poor's and S&P are registered trademarks of Standard & Poor's Financial Services LLC and Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC. All content of the Dow Jones branded indices © S&P Dow Jones Indices LLC 2018 and/or its affiliates.