Twitter Faces Lawsuit Former PR firm Joele Frank files legal action.

Unpaid Bills Allegations Twitter accused of non-payment for PR services.

Tensions Rise Contentious situation between Twitter and Joele Frank.

Joele Frank's Expertise Reputable PR firm engaged by Twitter.

Reputation at Stake Concerns over Twitter's financial obligations and credibility.

Professional Relationship Breakdown Legal action highlights a breakdown between parties.

Industry Scrutiny Ahead Observers monitor outcome of legal proceedings.

Implications for Twitter Potential impact on reputation and financial stability.