Digital disrupter: Hailo, a mobile app for hailing taxi cabs.\nDearly disrupted: Traditional taxi services relying on call center operators to connect passengers with taxis.\n[ Mobile App Drives Digital Disruption for London Taxi Company ] "Image by Puuikibeach\/Flickr Digital disrupter: LoseIt!, a mobile app for tracking calorie intake.\nDearly disrupted: Brick-and-mortar weight loss services, such as Jenny Craig.\n[ Mobile Health Apps and Gadgets for Better (and Longer) Living ]\n[ 10 Best iPhone Apps for Healthy Living ] "Image by Bmward\/Flickr Digital disrupter: Mobile banking apps.\nDearly disrupted: Brick-and-mortar banks.\nBonus self-disruption: Banks such as Wells Fargo and Bank of America deliver apps that disrupt their traditional channels. Digital disrupter: Amazon Kindle mobile app for buying and reading e-books .\nDearly disrupted: Book stores, such as Barnes and Noble and Borders. "Image by Image Source\/Thinkstock Digital disrupter: News apps for reading e-newspapers on tablets and smartphones.\nDearly disrupted: Print newspapers and magazines.\nBonus self-disruption: Newspapers such as the Wall Street Journal and New York Times deliver apps (and new digital paid-subscription models) that disrupt their print channel.\n[ 10 Best Android Tablet Apps for News Junkies ]\n[ 10 Popular iPad Magazines ] "Image by Ingram Publishing\/Thinkstock Digital disrupter: Mobile productivity apps such as Quickoffice and Documents to Go .\nDearly disrupted: Microsoft Office on the desktop is threatened by "good enough" mobile productivity apps that cost far less than their desktop counterparts.\nBonus self-disruption: Microsoft has brought a mobile version of Office on its new Surface tablet.\n[ 11 Time Management and Productivity Apps for Android ]\n[ 10 Best Windows Phone Apps for Staying Productive ] "Image by Ingram Publishing\/Thinkstock Digital disrupter: Smartphone cameras.\nDearly disrupted: Bulky, expensive standalone cameras that previously used film are being replaced by quality smartphone cameras that even professional photographers are starting to use.\n[ iPhone: The World's Most Popular Camera, Says Geekaphone ] "Image by iStockphoto\/Thinkstock Digital disrupter: Mobile music and gaming apps.\nDearly disrupted: Standalone MP3 players and gaming consoles, such as Sony PlayStation Vita and Nintendo 3DS. "Image by iStockphoto\/Thinkstock Digital disrupter: Mobile maps apps, such as Google Maps and Apple Maps.\nDearly disrupted: Standalone GPS devices, such as Garmin and TomTom. "Image by iStockphoto\/Thinkstock Digital disrupter: Hulu Plus mobile app for watching TV shows on-demand.\nDearly disrupted: Traditional cable television networks. "Image by Jim Davies\/Flickr Digital disrupter: Netflix mobile app for watching streaming movies.\nDearly disrupted: Brick-and-mortar movie rental stores offering DVD and Blu-ray discs. "Image by iStockphoto\/Thinkstock Digital disrupter: TurboTax mobile app.\nDearly disrupted: Brick-and-mortar tax services such as H&R Block. "Image by iStockphoto\/Thinkstock Digital disrupter: Mobile travel apps, such as Kayak and Tripit.\nDearly disrupted: Traditional travel agencies.\n[ 10 New Business Travel Apps for Busy Executives ]\n[ 11 Mobile Apps to Enhance Your Travel Experience ]\n[ 10 Essential Windows 8 Travel Apps ] Digital disrupter: Yelp, a mobile app for reading reviews of restaurants and retailers.\nDearly disrupted: Traditional ways of advertising for retail stores and restaurants. "Image by iStockphoto\/Thinkstock Digital disrupter: Pandora, a mobile app for listening to all types of music.\nDearly disrupted: Will Pandora kill the already crippled radio industry? Digital disrupter: Spotify, a music streaming service that delivers songs and albums.\nDearly disrupted: Apple's iTunes music store, one of the original digital disrupters.