We know you’re busy. Even with every social media, web, and RSS tool at your disposal, you can occasionally miss out on some of the week’s most insightful content.

Never fear. We’ve taken a moment to round up the best Mashable resources from this past week and present them here for your weekend enjoyment.

From in-depth how-tos, to app lists, to valuable business guides, browse below for a veritable smorgasbord of value you may have passed over.

Social Media

The Ultimate March Madness Social Media Guide

Everything you need to keep up with “The Big Dance” on the social web is in here. Check it out, and secretly adjust your brackets as needed.

How Musicians Are Using Social Media to Connect with Fans

Music sharing and distribution on the web is nothing new. But some artists, bands, and labels are going the extra social mile to get their music heard. Here’s how they’re doing it.

6 Ways Law Enforcement Uses Social Media to Fight Crime

Dick Tracy’s gadgets have nothing on today’s socially-savvy police departments. Find out how they’re using social networks to catch criminals, prevent crime, and keep the public informed.

Why User Competency Matters in Social Design

When building a website or social platform, never forget to ask yourself, “What is the user good at?” It’s often key to success or failure.

4 Easy Ways to Engage Your Facebook Fans

Is you Facebook Fan Page lacking a little engagement “oomph?” Has your fan growth leveled off? Try these four dead-simple ways to get folks sharing your brand again.

For more social media news and resources, you can follow Mashable’s social media channel on Twitter and become a fan on Facebook.

Mobile

9 Killer Tips for Location-Based Marketing

If your business is thinking about jumping into the location game, now is the time to do it. This post has everything you need to get started.

12 iPhone Apps for Surviving Conference Season

If you’re currently at SXSW, or headed to any number of big conferences this year, keep your iPhone close, and these handy apps even closer.

5 Things You Need to Know About Location-Based Social Media

Location-based social media is still relatively young, but the future is bright for users, marketers, and businesses alike. Here are 5 important lessons to take away from the current LBS landscape.

For more mobile news and resources, you can follow Mashable’s mobile channel on Twitter and become a fan on Facebook.

Business

14 Essential iPhone Apps for Small Business Users

The iPhone probably wasn’t originally made for business, but it can crunch a mean spreadsheet and more with these indispensable apps.

10 Essential Social Media Tips for B2B Marketers

The B2B potential of social media is often overlooked. If you sell to fellow business owners and you’re looking for an in on the social media action, don’t miss this post.

4 Ways to Effectively Use Social Media as a Catalyst

Social media is not the beginning or end of a marketing effort. It should be woven into every aspect of your business plan. Take in these four tips on how to make that happen.

The Small Business Guide to Google Apps

Is your business ready to make the leap into the cloud? Smart integration of Google Apps for Business can really benefit your team and workflow. See how in this post.

For more business news and resources, you can follow Mashable’s business channel on Twitter and become a fan on Facebook.

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Tags: business, features, Features Week In Review, List, Lists, Mobile 2.0, social media