Of course, not all onstage holograms are posthumous ethical conundrums. The technology has been used to simulcast performances by Janelle Monae and MIA, to throw the Gorillaz avatars on stage with Madonna, and to bring fictional stars, like Hatsune Miku, to life. Sorry, They Aren’t Holograms Let’s clear the air real quick. There’s a lot of debate on what is or isn’t a hologram. So, for argument’s sake, we’re going to stick with a very simple definition for the word hologram....

iOS 13 Will Charge to 80% and Wait Apple announced iOS 13 at WWDC 2019. Buried in the list of extra features was a note about “battery optimization.” Apple says it will be “reducing the time your iPhone spends fully charged.” Specifically, Apple will prevent your iPhone from charging above 80% until you need it. You might be wondering why Apple wants to keep your iPhone at 80% charge. It’s all about the way Lithium-ion battery technology works....

When you work remotely or have friends and family who live in another country, it’s important to know what time it is across time zones. A world clock (or time zone) widget on your iPhone’s Home screen makes this much easier. We prefer the following options: World Clock widget: This built-in widget is analog-only and quite basic, but it gets the job done. Widgetsmith: This popular widget-builder utility has a World Clock feature that shows the time in multiple locations in digital format....

Secretly playing your Nintendo Switch can be difficult because, by default, Nintendo alerts all of your friends when you launch a game, and they can see if you’re online from their friends list. Luckily, you can always appear offline if you choose. Here’s how to set it up. First, wake up your Switch and press the “Home” button. On the Home screen, select your user profile icon, which is located in the upper-left region of the screen....

One way to make spreadsheet data easier to read is by applying color to alternating rows. Microsoft Excel offers a couple of ways to alternate row color so you can whichever method works best for you. Use a Table and Style By using a table with an alternating row color style, you can easily apply this shading with little effort. You can do this by converting your data to a table or choosing a style for an existing table....

We’ve previously shown you how to backup Firefox profiles using an extension and third-party software and how to backup Google Chrome profiles. If you use Opera, there is a free tool that makes it easy to backup Opera profiles, settings, and even browsing sessions. Opera offers a sync service, called Opera Link, which allows you to sync your bookmarks, personal bar, history, Speed Dial, notes, and search engines with other computers....

When you save a new document in Office 2013, the Backstage view displays, providing the option to save the document to SkyDrive or to your computer. If you don’t use SkyDrive, you can can bypass this screen and always save to your computer. Word 2013, Excel 2013, and PowerPoint 2013 can all be configured to skip the Backstage view (pictured above) and directly open the Save As dialog box when selecting either Save or Save As to save a new file....

When Outlook receives a new message, it uses a standard chime. This chime is managed in Windows, rather than Outlook, and is also used by the Mail app, the standard (non-Outlook) mail client that’s bundled with Windows 10. The chime is turned on by default in Outlook, but you can turn it off or change it to play something else. Here’s how. Turn Off the Chime If you don’t want an auditory alert every time, you receive a message (which can be especially jarring if you’re using headphones) you can tell Outlook not to play a noise at all....

Photos and other images get stolen all the time online. Someone takes a photo from the photographer’s website or social media channels and uses it for their own needs. This is completely illegal and happens to me all the time here at How-To Geek. Let’s do a quick copyright law refresher. Unless the photographer signs away the copyright to their images or releases them into the public domain, they are the sole and automatic copyright holder....

Margins in a document are the white space that surrounds the text in your file. They appear at the top, bottom, left, and right sides. While the default margins are fine most of the time, sometimes you’ll need to change them. Here’s how. How to Control Margins in Google Docs Controlling margins in your document is a simple process that can you can do in a couple of ways: from the ruler or the menu bar....

Microsoft Excel doesn’t include built-in tools to convert currency. However, you can use an external data source to provide up-to-date rates. A basic multiplication formula will then convert from one currency to another. Here’s how you do it! Adding an External Data Source to Excel An external data source is the best way to get up-to-date currency exchange rates. You can use this data to convert from one currency to another in Excel....

Junk Email is the folder where Outlook sends mail it thinks is spam. You can customize Outlook’s spam filter to block or whitelist senders or domains, or crank up the automatic filtering and delete spam automatically. Let’s see how. Accessing Junk Email Options You can access the Junk Email options by clicking Home > Junk. The top four options will only be available if you’ve got a message selected in a folder, or if you have a message open and you click Message > Junk....

If you’re looking to get rid of several emails at once, Microsoft Outlook allows you to selectively remove multiple emails at the same time. You can do this in Outlook’s web, desktop, and mobile versions. We’ll show you how. RELATED: Why You Should Delete Emails Instead of Archiving Them Remove Multiple Emails From Outlook on Desktop In Outlook’s desktop app, you have the option to get rid of all emails from an email folder at once....

More control of your voice recordings is a definite win, but we still hope Alexa will follow Google’s lead and let you use Alexa without storing your voice recordings. Nevertheless, we’ll take what we can get. RELATED: How to Stop All the Voice Assistants from Storing Your Voice

The Chrome OS screen saver looks similar to a Chromecast or Smart Display backdrop. It shows the time, weather, and music playing. The background images can be pulled from your Google Photos account or a curated art gallery. While it does look like a Smart Display, it doesn’t have any Google Assistant features. RELATED: Why Screen Savers Are No Longer Necessary First, select the clock on the Shelf to open the Quick Settings panel....

When writing papers, you need to generate a detailed and accurate list of all the sources you’ve cited in your paper. With Google Docs, you can easily find and then add citations to all of your research papers. Fire up your browser, head over to Google Docs, and open up a document. At the bottom of the right side, click the “Explore” icon to open up a panel on the right....

On its own Minecraft is an awesome game you can lose yourself in for days upon days. With mods installed, Minecraft is the kind of game you can play for years as you can continually reinvent the game with new layers of complexity and content. Why Mod Minecraft? Mods allow you to do everything from enhance the vanilla Minecraft experience by rendering the graphics more smoothly and adding in minor enhancements (like an on-screen navigation map), to completely overhauling the game to have extra items, different mobs, and even different game mechanics....

As a photographer, there’s nothing worse than losing your hard shot photos, whether it’s from hard drive failure, theft, or anything else. With a good backup strategy, it’s easy to keep your photos safe at home, but what about when you’re still out shooting? What if you’re going off the grid and away from your laptop for a couple of days, or even a few weeks? Let’s take a look....

File and Directory Permissions Files and directories on Linux have a set of permissions for the owner, another set for the group the file is allocated to, and permissions for everyone who isn’t in one of the previous two categories. Each set of permissions defines whether the members of that category can read, write, or execute the file. In the case of a directory, the execute action equates to being able to cd into the directory....

Microsoft PowerPoint provides a suite of basic image-editing tools, including the ability to change the opacity of an object or photo. If you want, you can even change the transparency of only a certain section of an image. Let’s take a look! Changing the Opacity of an Image or Object If you want to make an entire object or image more transparent, open PowerPoint and insert an image by clicking Insert > Pictures....