Here are the top digital marketing data and statistics that caught our eye.

Was WhatsApp a bargain after all? (infographic)

This month saw Facebook pay a huge $19bn for WhatsApp- we look at some key charts that show why Zuckerberg paid 19 times more for a chat app than it did for Instagram back in 2012.
Key WhatsApp stats
• More than 70% of registered users are active every day.
• Europeans are frequently using WhatsApp, and its penetration across mobile internet users is huge in some countries (74% in Spain, 61% in Germany and 56% in Italy).
• People share more than 1 billion text messages everyday through WhatsApp: that’s equal to the volume of SMS sent each day globally.
• Americans are not using WhatsApp, WeChat, Snapchat and Line as much as other populations use it (in China WeChat owns a huge market share, for example)
View this We Are Social infographic showing some key WhatsApp stats below:

View this interactive infographic from Simply Business that put the purchase in perspective. This graphic compares the all the acquisitions by Google, Apple, Amazon, Yahoo and Facebook in the last 15 years.

The biggest acquisitions (with disclosed prices) by the giants were:
Apple – Anobit ($390 million), AuthenTec ($356 million)
Amazon – Zappos ($900 million), Kiva Systems ($775 million)
Google – Motorola Mobility ($12.5 billion), Nest ($3.2 billion), DoubleClick ($3.1 billion), YouTube ($1.65 billion)
Yahoo – Broadcast.com ($5 billion), Overture ($1.83 billion), Tumblr ($1.1 billion)
Facebook – WhatsApp ($19 billion), Instagram ($1 billion, closed at $715 million)
Click here to view the full interactive version on Simply Business.
Meanwhile, this chart from Brightside looks at some of the biggest tech aquitions over the past two decades in terms of cost per user.

Global tablet sales: Android overtakes iPads with 62% share

During 2013, Android tablets outsold iPads for the first time, getting almost twice the sales of its Apple rival, according to new data from Gartner.

94% of consumers expect brands to offer click-to-call on search results

Nearly 19 out of 20 (94%) of UK smartphone users have, at some point, needed to call a business directly when searching for information on a smartphone, according to a new poll conducted by Google.

Mobile accounts for 30% of US cinema ticket sales

Nearly a third (30%) of movie tickets are bought on mobile phones in the US, and 87% of movie watchers look up movies on their phones after seeing an ad elsewhere, according to new research from the IAB.

Why women rule social media (infographic)

Women are the driving power that contributes to increasing the value of companies such as Instagram, Tumblr and Pinterest by billions of dollars, according to this new infographic from Finances Online.