Interestingly, my colleague Dan Diamond (sidebarred) believes that the case of Keller represents a threat to the integrity and business model of Twitter, because it shows that Twitter is a potential channel for superficially credible but false information.

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Internal audit is one area that needs improvement, according to the OCC, along with risk management oversight by the Board, asset valuation processes, and model controls and integrity.

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Integrity is an important part of our daily work and empowerment model.

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"We believe in one share, one vote, and if all we get back are bromides about the need to preserve journalistic integrity, we think the burden is on the company to prove its model maximizes shareholder value, " says Christopher Young, of proxy adviser Institutional Shareholder Services.

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