Emeritus Prof Christopher May on Nostr: npub1h7yzq…kpy5p Sorry, the lag between building & RTB sale?npub1h7yzqeskqa432dey958m4j7kpwuu6ptguu4ku0ztpylzrn9mpz7sakpy5p (npub1h7y…py5p) Sorry, the lag between building & RTB sale?