2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48915The determination of the angle $γ$ of the unitarity triangle of the CKM matrix is a challenge for the $B$-factories. In this context, $B\toπK$ decays received a lot of attention, providing various interesting ways to constrain and determine $γ$. These strategies are briefly reviewed, and their virtues and weaknesses are compared with one another.7 pages, no figures. Invited talk given at the 17th International Workshop on Weak Interactions and Neutrinos (WIN99), Cape Town, South Africa, 24-30 January 1999. To appear in the ProceedingsHigh Energy Physics - Phenomenologytext