Time to refresh your browser, ArcGIS Online has recently been updated. This latest release includes important behind-the-scenes improvements, and also delivers several key updates and new features.
Search from a map now uses enhanced geocoding and gazetteer functions. A new find parameter allows you to enter addresses, partial addresses, place locations, and XY coordinates directly in the map URL. Also included are important enhancements for international users.
For a full listing see the What’s New help topic.