answer:Certainly! Encryption is used in different ways in different types of internet-connected devices. Here are some examples: - Smartphones: Smartphones use encryption to protect sensitive data such as email, text messages, and personal information. The mobile operating systems such as iOS and Android, provide system-level encryption, which means that data stored on the device is encrypted by default, and the decryption key is only available to authorized users. - Laptops: Laptops also use encryption to protect data stored on the computer, such as documents and emails. Full disk encryption software such as BitLocker, FileVault, and VeraCrypt encrypt the entire hard drive, making it unreadable without the decryption key. - IoT devices: IoT devices such as smart home devices, use encryption to protect sensitive information such as login information, passwords, and credit card details. Some IoT devices also use encryption to protect data that is transmitted between the device and the internet, to prevent eavesdropping and data interception. Recent developments in internet security include the following: - Blockchain technology: Blockchain is a decentralized, tamper-proof means of storing and transmitting data, providing a highly secure and transparent system of record keeping. It is primarily used for cryptocurrency transactions but has potential applications in cybersecurity. - Artificial Intelligence (AI): AI can be used to identify patterns of behavior that indicate a security breach or abnormal activity on a network. It can also help identify potential vulnerabilities in a system. - Multi-factor authentication (MFA): MFA is an authentication mechanism that requires two or more forms of authentication to verify the user's identity. This reduces the risk of unauthorized access to sensitive information, as the attacker would need to possess multiple factors to gain access to the system. - Quantum computing-resistant cryptography: As quantum computing becomes more advanced, current encryption methods may become vulnerable to attacks. Researchers are developing new encryption methods that are resistant to quantum computing attacks. These recent developments show that internet security is a constantly evolving field, as new technologies and threats arise.

answer:Homemade Beef and Broccoli Stir-Fry Recipe Ingredients: 1 lb beef sirloin or flank steak, sliced thinly against the grain 1 head of broccoli, cut into small florets 1 red bell pepper, sliced thinly 1 small onion, sliced thinly 2 cloves of garlic, minced 1/2 cup soy sauce 1/4 cup hoisin sauce 3 tbsp brown sugar 1 tbsp cornstarch 1 tbsp vegetable oil 1 tsp sesame oil 1/4 tsp red pepper flakes (optional) Salt and black pepper to taste Sesame seeds, for garnish Instructions: 1. Start by preparing the savory sauce. Combine soy sauce, hoisin sauce, brown sugar, cornstarch, and red pepper flakes (if using) in a bowl. Whisk together until smooth and set aside. 2. Slice the beef thinly against the grain and season with salt and black pepper to taste. 3. Heat the oil and sesame oil in a large skillet over high heat. Once the oil is hot, add the beef slices and cook for 2-3 minutes per side, until browned and cooked through. Remove the beef from the skillet and set it aside. 4. In the same skillet, add minced garlic and sauté for 30 seconds until fragrant. 5. Add sliced onions and red bell pepper to the skillet and cook for 2-3 minutes until they start to soften. 6. Add broccoli florets to the skillet and cook for another 2-3 minutes until they are bright green and slightly tender. 7. Add the cooked beef back into the skillet with the vegetables. Pour the savory sauce over the top of the beef and vegetables and stir to coat everything evenly. 8. Cook the beef and vegetable mixture for another 2-3 minutes, until the sauce has thickened and the vegetables are tender but still have a little crunch. 9. Serve the homemade beef and broccoli stir-fry hot over a bed of steamed rice. Garnish with sesame seeds if desired. Tips: - For the best results, use fresh broccoli florets that are bright green and firm to the touch. Avoid using broccoli that is wilted or yellowed. - Slice the beef thinly against the grain to achieve a tender texture. - If you don't have hoisin sauce, you can substitute it with oyster sauce or barbecue sauce for a different flavor profile. - Add red pepper flakes for a spicy kick or leave them out if you prefer a milder flavor. - For a vegetarian version of this dish, substitute the beef with tofu or mushrooms.

answer:As a substitute for broccoli in this recipe, you can use any vegetable of your choice such as bok choy, green beans or snow peas that can withstand heat and retain their crunchiness in the stir-fry. When you say "slicing the beef against the grain", it means cutting across the muscle fibers of the meat rather than parallel to them. To slice the beef, place the meat on a cutting board and look for the direction of the muscle fibers. Slice the beef using a sharp knife and cut thinly across the fibers. Slicing meat against the grain helps to break up the muscle fibers, making it more tender and easier to chew.

answer:Introduction: Facial ice rollers have gained popularity in recent times as a skincare tool. They are handheld devices that are usually made of plastic with a roller ball on one end. Ice rollers can be used to achieve a variety of skincare benefits, from reducing puffiness and inflammation to boosting circulation and brightening the complexion. In this guide, we will explore the proper techniques for using a facial ice roller, including application to different areas of the face, recommended duration of use, when to use an ice roller, and tips for cleaning and storing your ice roller. Using a Facial Ice Roller: 1. First, ensure your ice roller is clean and kept in the freezer until you are ready to use it. The cold temperature will enable its effectiveness in reducing inflammation and redness on the face. 2. Start applying the facial ice roller from the neck and work your way upwards to the forehead. This method will help the lymphatic drainage to stimulate, and therefore reducing puffiness. 3. Once you’ve reached the forehead, take the roller and sweep it under the eyes, cheeks, and jawline, focusing on any areas with puffiness or discoloration. Apply gentle pressure and repeat for 2-3 minutes. 4. When reaching the under-eye area, use gentle strokes while sweeping the roller from the inner corner to the outer corner. Repeat the motion for several minutes, focusing on any areas with puffiness, dark circles or fine lines. 5. Next, concentrate on the forehead, rolling the ice roller in horizontal, vertical and circular motions over the brow bone, mid-face, temples, and around the mouth. Concentrate on the spots where you feel tightness, inflammation, or tension. 6. After application, use your favorite moisturizer or facial serum to enhance the benefits of using the ice roller. Duration of Use and Frequency: Facial ice rollers can be used for several minutes at a time, but it's important not to overuse them. We recommend using a facial ice roller for 2-3 minutes at a time, no more than once per day. It’s crucial not to press too hard, as this can cause pain, bruising or broken capillaries. When to Use a Facial Ice Roller: Facial ice rollers can be used for different scenarios, such as: 1. Inflammation: If you have a swollen spot or pimple, using an ice roller can tame the inflammation and redness. 2. Puffiness: If you're struggling with a morning face that looks puffy, using an ice roller can significantly improve it. 3. Itchy Skin: If you’re experiencing skin irritation on the face, using an ice roller over the affected area for a few minutes can help soothe the uncomfortable feeling. 4. Tension: If you experience TMJ, sinus headaches, or tightness in your facial muscles, using an ice roller can provide some relief. How to Clean and Store a Facial Ice Roller: Cleaning your facial ice roller after each use is important in maintaining its hygiene and effectiveness. To clean, use warm water and mild soap to gently wash and scrub the roller ball. Rinse thoroughly and dry completely before placing it back in the freezer for storage. Conclusion: Facial ice rollers are an effective tool for reducing inflammation, puffiness, improving complexion and for a relaxing massage. It’s essential to use them in the proper technique, not overuse them, puncture the skin or cause bruising. By following the instructions provided in this guide and maintaining your roller properly, you can expect to reap the benefits of beautiful, healthy skin.