KPCB Internet trends 2014 from Kleiner Perkins Caufield & Byers.

There is a broad trend unfolding with the evolution of app design, one that favors single-purpose stand-alone apps. Single-purpose apps are better suited for mobile use since they offer a faster and more efficient way to accomplish specific tasks. No one wants to spend extra time digging around in a multipurpose app to find what they're looking for.

As Facebook (NASDAQ:FB) CEO Mark Zuckerberg told The New York Times in April, "In mobile there's a big premium on creating single-purpose first-class experiences." In no uncertain terms, Zuckerberg laid out a strategy for "unbundling the big blue app" into distinct single-purpose apps. That's why it shouldn't have been much of a surprise when the company said last month that it would force users to download a separate Messenger app, unbundling that functionality from the core Facebook app.

200 million and counting

On the last earnings conference call, Facebook noted that users send over 12 billion messages per day on Facebook, and that Messenger has now reached 200 million monthly active users, or MAUs. That doesn't include the over 500 million MAUs for recent Facebook acquisition WhatsApp. Facebook has added numerous functions to Messenger, including voice calls and group chats. The app has now risen to the No. 1 free spot in Apple's App Store charts.

Fb Top Chart

Source: Screenshot of iOS App Store.

Unfortunately, users aren't responding very well to the required switch, which collectively boasts a mere one-star rating.

Why so low?

There are two recurring themes among the app's critics: People are uncomfortable with some of the permissions that the app requests, and they absolutely hate the fact that they're forced to download it in the first place.

Some of the fear regarding permissions is misplaced, though. For instance, in order to make voice calls or video chats you naturally must grant the app access to your device's microphone. Yet some fear Facebook is indiscriminately eavesdropping. Facebook explains exactly why it needs these permissions, but National Security Agency-invoked privacy fears are still at the top of everyone's minds these days.

Why so serious?

Facebook is taking Messenger very seriously as part of its broader messaging strategy, which is why the company just poached David Marcus from eBay's PayPal division to run Messenger. Zuckerberg even hinted that eventually Messenger would have some type of overlap with Facebook's payments business, which makes perfect sense given Marcus' background.

The $19 billion price tag for WhatsApp is further evidence of just how important messaging is to Facebook's global ambitions. Facebook will operate two distinct brands and services, and Messenger and WhatsApp cover different bases. WhatsApp is more popular in emerging markets as a true SMS replacement, while Messenger is a cross-platform service that offers different usage models.

Facebook will also compete with other tech titans. Apple continues to build out iMessage and will begin syncing SMS messages to Macs in OS X Yosemite. Google also recently consolidated all of its disparate messaging services under Hangouts. None of these companies have monetization strategies in place for messaging services, but the WhatsApp deal still shows there's quite a premium just for users.

Is unbundling a mistake?

Despite user backlash about Facebook's unbundling, this trend isn't going to disappear anytime soon. Facebook says users can receive messages 20% faster by using the Messenger app, as opposed to the core Facebook app. Even LinkedIn is following in Facebook's footsteps, launching a single-purpose Job Search app earlier this summer.

There will always be skeptics to changes in the status quo, particularly when that involves shifting away from familiar usage models. That doesn't mean the strategy is inherently incorrect. While I may have initially doubted Zuckerberg's status as a visionary leader, the young CEO has proven he is exactly that. Despite the backlash, unbundling is the right way to go for a mobile company like Facebook.

Leaked: Apple's next smart device (warning, it may shock you)
Apple recently recruited a secret-development "dream team" to guarantee its newest smart device was kept hidden from the public for as long as possible. But the secret is out, and some early viewers are claiming its everyday impact could trump the iPod, iPhone, and the iPad. In fact, ABI Research predicts 485 million of this type of device will be sold per year. But one small company makes Apple's gadget possible. And its stock price has nearly unlimited room to run for early in-the-know investors. To be one of them, and see Apple's newest smart gizmo, just click here!

Evan Niu, CFA owns shares of Apple, Facebook, and LinkedIn. Evan Niu, CFA has the following options: long January 2016 $150 calls on LinkedIn, short January 2016 $200 calls on LinkedIn, long January 2016 $125 puts on LinkedIn, short January 2016 $140 puts on LinkedIn, short January 2015 $60 puts on Facebook, and long January 2015 $35 puts on Facebook. The Motley Fool recommends Apple, eBay, Facebook, Google (A shares), Google (C shares), and LinkedIn. The Motley Fool owns shares of Apple, eBay, Facebook, Google (A shares), Google (C shares), and LinkedIn. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.

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