Former Kamala Harris press secretary was appointed top Twitter communications official, and was in charge of removing content that is not favorable with Biden and Kamala Harris. The former public policy manager of Twitter was sent to work for Biden campaign which might be also an in-kind donation since his knowledge and contacts give the campaign an added value. The intertwining of the company information, communication, algorithms, databases, ad pricing, software and workers knowlede transfer might be a FEC violation if not reported properly.
An in-kind contribution is a non-monetary contribution. Goods or services offered free or at less than the usual charge result in an in-kind contribution. Similarly, when a person or entity pays for services on the committee’s behalf, the payment is an in-kind contribution. An expenditure made by any person or entity in cooperation, consultation or concert with, or at the request or suggestion of, a candidate’s campaign is also considered an in-kind contribution to the candidate.
https://www.fec.gov/