Since dropping about $1 billion on Tumblr back in 2013, Yahoo has had high hopes for the social network. To get Tumblr back on track, Yahoo execs are now reportedly reconsidering an earlier decision to integrate its sales teams.

Likely inspired by the popularity of WhatsApp and Google Hangouts, Facebook is taking a fresh look at SMS messaging. The social giant ditched SMS in late 2013 on its popular Messenger service, because it didn't think users were that into it. Since then, it has invested a ton of development resources in its core instant messaging service. Now, however -- as Android Police first reported and as Facebook has since confirmed -- select members are being invited to use Messenger as their SMS client.

After we all got used to auto-play video ads giffing quietly in our feeds, Facebook is offering a way for advertisers to connect better without sound: automatic captions. With the use of captioned videos, video view time increased by 12% on average, according to internal tests conducted by Facebook.

Facilitated by fancier phones and stronger Web connections, brands can finally put video at the center of their mobile strategies. As many are learning, however, video presents some unique challenges. Take the matter of getting viewers' attention. Because consumers have become so quick with their thumbs, brands only have a spit second to engage.

Finally following Facebook's lead, Instagram will now let you switch accounts when using the app on Android and iOS. In addition, with the latest version of Instagram's app, people can now add up to five accounts, and switch between them without having to log out and back in.

Twitter's still doing damage control days after a report suggesting that the network is ready to restructure its timeline. Rather than chronological order, the social giant plans to rank tweets by popularity, Buzzfeed revealed on Friday night. Rallying around the hashtag #RIPTwitter, incensed users managed to turn their frustrations into a trending topic on Twitter, over the weekend.

Change is rarely a painless process. Consider LinkedIn, which is taking a beating on Wall Street as it tries to reinvent itself as a mobile-first platform.

According to a survey from mobile location firm Retale, 60% of clicks on mobile banner ads are mistakes. Users most often encounter banner ads when checking the news (65%), using social media (50%), playing games (47%), watching videos (45%) and listening to music (45%).

Why is Microsoft is dropping $250 million on keyboard app maker SwiftKey? I mean, the company's phones could use plenty of improvements, but a better keyboard ain't one of them. The deal clearly has more to do with SwiftKey's artificial intelligence assets -- which supported the recent launch of an Android keyboard that uses a neural network in place of standard algorithms to predict one's word selection.

Once considered the heir apparent to everything from glossy magazines to laptop computers, slate tablets are fast losing their place in consumers' lives. Over the past year, in fact, total shipments of slates plummeted by more than 20%, according to new data from International Data Corporation's worldwide quarterly tablet tracker.