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Blogs come in all shapes and sizes. Take a quick look at some popular blogs and you’ll find that some have wide niches. For example, Gizmodo (Figure 2-2) covers news on all kinds of consumer electronics and gadgets—it covers everything from MP3 players to digital cameras, through to GPS devices.
Some blogs narrow their niche even further and focus on just one class of product, or even in extreme cases, one brand or model.
Both wide and narrow niches can work; however, while some analysis of the most popular blogs shows that they quite often have a wide focus, it is also worth knowing that they usually are in quite crowded niches (lots of competition) and take a lot of work to maintain (many of the top blogs have numerous bloggers churning out content for them).