Here at Statistics.com, we predict:
On June 26, 2012, Mei Mei Lim from Accenture described how Nokia Siemens Networks built a predictive model for rapid identification of churn "triggers." The model lets a cell carrier take corrective actions and offer enticements to the straying customer before he or she jumps ship. One of the triggers, mentioned almost in passing, was "visit to a competitor web site."
A post-presentation conversation confirmed that cell carriers, especially in Asia, can and do monitor where customers browse, and set flags for when that browsing takes a customer to a competitor's web site.