Amid ongoing economic anxieties, BLK and other companies are giving away basic essentials to appeal to the public. While Gen Z catches a lot of flack for being single, or even antisocial, there's a brutal economic reality underscoring why some people aren't going out: They simply don't have the disposable income . Dating apps, already struggling to maintain user bases due to enshittification and a lack of quality matches, are contending with this affordability crisis. In a dystopian sign of the times, BLK, the app for Black singles, announced on Wednesday that it is giving away free gas in an attempt to incentivize people to go on dates. As part of the promotion, BLK is providing $500 gas gift cards to 10 people who download the app and tag three friends in the campaign post across its social channels.

Memorial Day isn't until Monday, but sales on our favorite gear are going on all weekend. I've been covering deals since 2013, and I still think Memorial Day sales are worth checking out. There are so many made-up shopping holidays these days that it can be difficult to ascertain when items are actually cheaper than usual. Now is one of those times. To help you out, I've scoured through our buying guides full of hand-tested items to find gadgets and gizmos that are discounted--and worth buying.

Just in time for summer, Beatbot's pool-cleaning robots are on sale through the end of the month. If you're on the hunt for smarter pool care, these are some of the best pool-cleaning robots on the market, and we haven't seen them sell for less. Whether you're tired of paying the pool guy or just don't want to deal with whatever scary stuff is floating in the water, these robots can help. Be sure to check out our related buying guides for more summer outdoors coverage, including the best bug sprays, the best sunscreens, and the best fitness trackers . This surface skimmer is slow and methodical with its approach, which means it won't slam into your pool's walls while doing its job.

Lidl shoppers say they'll miss monthly freebies. Can bonus points win them over? For 10 years, Lizi Hall has been doing most of her shopping at Lidl - and she's learned how to get the best value from its rewards scheme. We've got it down to a bit of an art, Lizi says. The loyalty system for me really did work.

Insurance apps often collect driving, location and health data in exchange for premium discounts. Adjusting app permissions can help limit what information is shared.

Get ready for summer with discounts on robot pool cleaners from Beatbot. National Pool Opening Day is tomorrow, April 25, and summer is almost here, which means pool owners everywhere are getting ready to unveil the horrors of whatever happened during the off-season. Most of the Beatbot lineup is on sale at Amazon and Beatbot's own storefront, with prices starting at $499. Beatbot makes many of the best pool-cleaning robots we've tested, and we've highlighted our top picks below. Note that the discounts are scheduled to end on April 26, though items may sell out sooner.

It is a variant of shuffle coding that is many orders of magnitude faster than the original and enables'one-shot' compression of single

In this paper, we provide a simple, model-free algorithm for stabilizing fully observed dynamical systems.