This document discusses 10 pieces of marketing technology (MarTech) that can help disrupt competitors according to 500 Startups. The tools include BuiltWith, Import.io, AdEspresso, MonitorBacklinks, BuzzSumo, HotJar, UserTesting, Unbounce, Kickbox.io, and mail-tester.com. These tools can help with tasks like lead generation, traffic generation, conversion optimization, and email. 500 Startups is a seed fund and growth program based in London that invests in early stage startups.