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Speaking of map apps, some users have found that they are useful for more than just(find) one's way. One man, San Francisco's Lenny Maughan, uses them to make works of art.

Lenny runs everywhere he can.he goes, he tracks his progress by using an app, such as Map MyRun or Strava. As he runs, the app traces a line along the path he follows. So, to make his runs more fun, Lenny decided to runpatterns that would create amazing images. To date, he has shared runs that have turned into images of a heart, a portrait of artist Frida Kahlo, and more.