In the wake of John S. Reed's departure from Citigroup Inc., there are signs that the company is rethinking its approach to the Internet and technology, two subjects the former co-CEO had held dear.

Mr. Reed, whose last day at the company was April 18, had spent the last several years building a central structure for Citi's once-diffuse technology organization. The showpiece of this effort was e-Citi, a stand-alone division that supports Internet experiments and other new technologies.

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