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Quark Inc., provider of desktop publishing software, announced that it has acquired the assets of In.vision Research Corporation, a software company that developed the add-in to Microsoft Word for XML authoring.

Adobe Systems Incorporated, announced that Adobe LiveCycle Enterprise Suite Update 1 is now available worldwide.

O'Reilly Media, a technology publisher, announced two new ebook publishing initiatives.

LexisNexis, provider of client development solutions for the legal profession, announced an agreement with the professional network, LinkedIn, enhancing the position of its Martindale-Hubbell legal network as a networking destination for attorneys.

XyEnterprise, developer of XML content management and multi-channel delivery solutions, announced version 4.0 of Contenta, its content management software.

Twitter, the social networking and micro-blogging service, has acquired Summize, a search tool.

HyperOffice, provider of Enterprise Collaboration Software and tools, launched a new public beta of its business collaboration tools.

BearingPoint, Inc., a management and technology consulting firm, introduced its Information Management (IM) Solution Suite.