|                                                |   |  |                                                           |  |                                | SAN FRANCISCO (Reuters) - Twitter Inc on Tuesday reported 255   million monthly active users, up 5.8 percent from the previous   quarter but not enough to satisfy investors increasingly concerned   about its struggle to gain a mass following. |  |  |                                                |                                                            |   |  |                                                                       |  |                                      | SAN FRANCISCO (Reuters) - EBay Inc posted a better-than-expected   first-quarter profit on Tuesday, boosted by its PayPal payments   unit, but the e-commerce giant's second-quarter forecast fell   short of estimates. |  |  |  |                                                |                                                            |    |  |                                                                       |  |                                      | SAN JOSE, California (Reuters) - Apple has vastly exaggerated   the importance of its patented iPhone features, a Samsung attorney   said on Tuesday as the two companies delivered closing arguments   to jurors after a month-long trial over mobile technology. |  |  |  |                                                |                                                            |    |  |                                                                       |  |                                      | WASHINGTON/SAN FRANCISCO (Reuters) - The White House will lay   out ideas this week for protecting U.S. consumers' privacy in   an era in which the ubiquitous use of computers and mobile phones   provides a constant data feed on individuals. |  |  |  |                                                |                                                            |   |  |                                                                       |  |                                      | HELSINKI (Reuters) - Nokia said on Tuesday its phone sales fell   30 percent in the last quarter they belonged to the previous   world-market leader and the unit's loss widened. |  |  |  |                                                |                                                            |                                                                       |  |                                      | (Reuters) - RF Micro Devices Inc, whose chips are used to connect   mobile devices to networks, forecast quarterly results above   analysts' estimates due to higher demand from smartphone makers   like Apple Inc and Samsung Electronics Co. |  |  |  |                                                |                                                            |   |  |                                                                       |  |                                      | (Reuters) - Sprint Corp, the No. 3 U.S. mobile provider on Tuesday   reported fewer subscribers leaving than expected and strong   tablet additions, as the company undergoes a massive network   overhaul in a highly competitive market. |  |  |  |                                                 |   |  |                                                           |  |                                | NEW YORK (Reuters) - Spotify announced on Tuesday its first partnership   with a mobile carrier in an effort to boost subscriptions and   get more people to listen to its online streaming music service. |  |  |                                                 |   |  |                                                           |  |                                | HELSINKI (Reuters) - Finnish telecoms equipment maker Nokia    has won several contracts in Europe which have not been announced   yet and will be booked later this year, its incoming chief executive   said on Tuesday. |  |  |                                                 |   |  |                                                           |  |                                | (Reuters) - Investors should consider risks associated with virtual   currencies, including bitcoin, before trading in them, two U.S.   regulators warned on Tuesday. |  |  |  |                                               |  |                          |                                                           |  |                                |  |                                |                                                                       | A daily digest of breaking business news, coverage of the US economy, major corporate news and the financial markets. 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