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We shall focus on $Z^\prime$ solutions to the neutral current $B$-anomalies. Working bottom up, we construct simplified models that fix the anomalies. The future sensitivity of LHC and FCC colliders is estimated for narrow $Z^\prime$s. We then present a more complete (but rather simple) model: the Third Family Hypercharge Model. This model passes all constraints whilst solving the anomalies and explaining the hierarchical heaviness of the third generation and the smallness of CKM quark mixing.