Example of Proper Usage:

'Twitter Series C round, February 12, 2009' → 'Funding Type' → 'Series C round' is correct, citation: https://techcrunch.com/2009/02/13/twitter-raises-third-round-of-funding-from-benchmark-and-ivp/.

Example of Improper Usage:

'Twitter Series C round, February 12, 2009' → 'Funding Type' → 'Series B round' is incorrect. Announcements for a new funding round will often mention previous funding rounds, which should not be included here, in addition to the current round. Citation: https://techcrunch.com/2009/02/13/twitter-raises-third-round-of-funding-from-benchmark-and-ivp/.