Changes in influencer usernames can indeed pose a challenge for tracking on several influencer marketing platforms. However, many platforms, including Flinque, have developed robust tracking systems that can monitor such changes effectively.

Flinque, for instance, uses the user ID, rather than the username, to track influencers. As the user ID remains constant despite username changes, it allows for continuous and uninterrupted tracking.

Many platforms like Traackr and Upfluence employ similar methods. These platforms also focus on persistent identifiers, thereby ensuring consistent monitoring even if an influencer changes their username.

However, some other platforms, like BuzzSumo or Klear, may face difficulties in tracking username changes because they rely heavily on username-based systems for tracking influencers. If the username changes, these platforms could potentially lose track of the influencer.

In conclusion, whether a platform can track username changes or not depends largely on its tracking system. Some platforms perform this action quite well while others may struggle. It’s vital to understand your tracking needs and choose a platform accordingly. Remember, there is no one-size-fits-all solution. The best choice often depends on individual business goals and requirements.