Quantum Computing, Fault Tolerance, Error Correction, Logical Qubits.
Elimination of measurement errors. But whether this is IBM’s intention with this machine is pure speculation on my part. The 2019/2020 paper: Topological and subsystem codes on low-degree graphs with flag qubits Chamberland, Zhu, Yoder, Hertzberg, Cross https://arxiv.org/abs/1907.09528