e-Why, What & How

Your guide to Web & mobile tools, products, apps & services, & how to use ’em.


How Instagram filters work, & can you tell the difference?

As Instagram continues to add new & interesting filters for its users, it’s becoming increasingly difficult to get a handle on which filter works best with what kind of image. So we figured we’d do something about it. Here you’ll find everything you need to know about what each filter does, what it’s best used for, & we’ve got some examples for you to look at.


Li-Fi Is 100x faster than WiFi, but what’s the catch?

Li-Fi, or Light Fidelity, is suddenly in the news these days because an Estonian company called Velmenni conducted a real-world test where it was able to transfer data between devices at 1 Gbps, which is roughly 100 times faster than Wi-Fi in the real world. In lab tests, the fastest recorded speed was 224 Gbps!


How to quickly find out who owns any Website

There are many reasons why you might want to find the owner of a given Website. Maybe they don’t have a contacts page & you want to propose some kind of business. Maybe your favorite Website is stagnant or dead.


Developing mobile Web apps: When, Why, & How

There are 6.8 billion people on the planet, 5.1 billion of whom own a cell phone (source). And today, an ever-growing percentage of these devices are smartphones. According to a recent Pew Research Center Study, the number of users accessing the Internet on their smartphones has more than doubled in the past 5 years, as has the number of users downloading & using mobile apps. Of those who use the Internet or email on their phones, more than a third go Online primarily through their handheld devices. Indeed, mobile computing is becoming increasingly ubiquitous… & it’s awesome.


How to upgrade to Windows 10 version 1511 now

You may have heard that a major Windows 10 update has arrived. The Windows 10 “Fall Update” or “Version 1511″ needs 20 GB of disk space to be installed. It’s worth updating as there are some nice features, but as usual, not everything has gone according to plan. It wouldn’t be the Microsoft we know & love, if there wasn’t some kind of screw-up somewhere along the line.


How to back up WhatsApp messages to Google Drive

WhatsApp is incredibly popular, & when it quietly adds features like this, it’s no wonder why. This awesome messaging service, which we absolutely love, just announced that you can now back up all of your messages to Google Drive. The problem is, it’s not available to everyone just yet.


How to delete your YouTube history once & for all

YouTube is a fantastic resource for everything from learning to getting a few laughs. If you’ve used YouTube for any length of time you’ve likely amassed hundreds of videos in your watch history. Here’s how to remove them all.


5 tools to convert & edit the PDF format

PDF files are the digital equivalent of the paper document: made to be shared & read, & occasionally filled in like a form, but not really intended to be easily edited. You could argue the format is outdated in our increasingly post-paper world, but PDF documents aren’t going anywhere anytime soon.