Recent Results in Bottomonium / Ties to Charmonium

Recent results in studies of bottomonium especially relevant to charmonium are reviewed. This report covers dipion transition matrix elements, $\eta$ production in $\mathrm{{\rm Y}}$ transitions, $\mathrm{{\rm Y}}$ decays to invisible particles, a search for a non-standard-model pseudoscalar Higgs in $\mathrm{{\rm Y}}$ radiative decays, and $\mathrm{{\rm Y}}$ radiative decays to ${\mathrm{f}}_2(1270)$, $\eta$, and ${\eta }^{\mathrm{\prime }}$.