1. Facebook is updating its News Feed, again. This set of changes focuses on putting more weight on trending topics, so your feed reflects more discussion of what’s going on right now. Now the recency of the likes and comments on posts will matter more, perhaps reducing the frequency of those odd moments when a friend’s heavily-liked wedding post resurfaces in your feed as they’re celebrating their third anniversary.
2. Compared with the emphasis most organizations put on growing a house email list, it’s surprising how little effort is spent to re-engaging those subscribers when open and click rates falter. Here are some tips on how to clean and re-engage your list.
3. Google Analytics guru Avinash Kaushik makes a compelling case for better mobile site analytics (and throws in some fighting words about responsive web design for good measure). If you are working with Google Analytics to measure mobile, his comprehensive post provides useful examples from implementing Google Tag Manager to advanced Cross-Device Tracking.
4. Wired delivers with 15 insanely great tricks to master Apple’s iOS 8. Word to the wise: don’t make your first trick downloading iOS 8 on your iPhone 4S.
5. That said, there are some clear advantages to downloading iOS 8 on a newer device. Do you spend too much time swiping through your emoji keyboard to craft a perfect, visual response? Then, you might need Keymoji, a downloadable keyboard that converts your text into emojis as you type.

Weekend fun: Tough week? Nervous about going long on today’s Alibaba IPO? Go ahead: watch some puppies playing with a GoPro.

Every Friday, find five, highly subjective pointers to compelling technologies, emerging trends, and interesting ideas that affect how we live and work digitally. Try out the Friday 5 archive, or sign up to get a weekly email.