Other senators withdrew their endorsements of Moore's Senate candidacy. The most effective advertisements are those that are supported by celebrity endorsements. Like his first presidential bid, Biden failed to garner endorsements and support. Ignatieff received several high-profile endorsements of his candidacy. They may have multimillion-dollar contracts, endorsements, and campaigns. Local issues and candidates also played a role in the endorsements. Guidelines affect celebrity endorsements, advertising language, and blogger compensation. Teams are generally sponsored in exchange for advertising on clothing and other endorsements. Endorsements for celebrities to wear its labels are budgeted instead. Celebrity fans and free endorsements in mass media also promote the business. Celebrity endorsements helped Earhart finance her flying. There is a certain correlation between successful celebrity branding and brand endorsements. Weinraub was openly skeptical of the brand's celebrity endorsements. This list does not include income from corporate endorsements or salaries before . This pioneered the trend of celebrity product endorsements.