Dick Costolo pledging to improve Twitter’s handling of online harassment

Dick Costolo’s commitment to improve Twitter’s handling of online harassment became a rare moment when years of appeals from writers and activists appeared to reach the people running the platform. The episode begins with an account moving through an unexpected channel: an employee posted Lindy West’s piece on an internal forum, where it caught the attention of senior leaders and prompted the company’s then-CEO to acknowledge its failures. His promised response offered a tangible sign of change, but not proof that the problem had been solved.

Background and the memo

Two weeks after West’s This American Life segment aired, friends began forwarding her copies of a leaked memo by Costolo. The route from her work to the company’s leadership ran through an employee who had posted the piece on an internal forum. From there, the issue reached Twitter’s senior leadership and Costolo himself. The chronology mattered to West: people who had spent years trying to get the company’s attention suddenly had evidence that their accounts had reached someone with the authority to respond.

Costolo’s memo did not minimize the company’s record. He said he was ashamed of how poorly Twitter had handled the issue during his tenure, accepted responsibility for not acting more aggressively, and described the company’s past performance as a failure. He also called the need for action vital to the leadership team. His response was therefore more than an expression of sympathy: it identified the company as responsible for addressing a problem that users and advocates had repeatedly brought to its attention.

Promised action and West’s response

The commitment included removing abusive users and making their attacks harder to hear. Costolo presented this as an active change in how Twitter would respond, rather than another acknowledgment that harassment existed. The memo’s force came partly from the contrast between the promise of intervention and the earlier experience West describes: bloggers, activists, and academics had spent years pressing against an opaque interface, compiling extensive data about online abuse, and writing both personal essays and clinical analyses in the hope of securing help.

West describes being overwhelmed by the sudden change in attention, using the image of herself on the floor and rolling around to convey the intensity of her reaction. What astonished her was not simply that a senior executive had noticed one piece. It was the apparent arrival of a human decision-maker behind a platform that had seemed unresponsive. For a moment, she saw the company’s leadership treating the harassment problem as something requiring action, rather than as a stream of complaints users had to manage alone.

Limits and significance

The memo did not settle whether Twitter’s proposed fixes would work over time. West stresses that the long-term results remained uncertain. Once a community has learned to exploit a system and harmful behavior has become established, she argues, changing the culture retroactively can be exceptionally difficult. Removing accounts might address individual perpetrators, but the conditions that allowed abuse to persist could outlast any particular enforcement effort; fully dislodging those conditions might require rebuilding the system itself.

Even with that uncertainty, Costolo’s response mattered as a signal. West regarded it as a victory that Twitter’s CEO appeared to align himself with people criticizing the platform’s treatment of harassment rather than with the trolls. She presents that shift in attention and responsibility as evidence that cultural arrangements are not fixed, even when existing power structures make them seem so. The episode thus holds two outcomes in view at once: no guarantee of an effective, lasting remedy, and a consequential acknowledgment from leadership that the status quo was unacceptable.