Buffer has an incredibly intuitive interface, making for a smooth user experience. The user-friendly dashboard is a great place for managing all of your social channels and gives you clear, clean graphics to help with analysis. A tool well worth investing in.
Tax information: Partnerships are formed by registering your business through your state. You can do this through your Secretary of State office. Limited liability company (LLC) — An LLC isn't subject to a separate level of tax and is generally more complex than a sole proprietorship or partnership. Their complexity generally means a higher startup cost. LLC laws vary by state, but generally, most don't restrict ownership, so you can partner with another business if you desire.

And in case, the features you need are not available – you can always install plugins that offer such a feature.
You might even consider working primarily in a private (or, if you're using Chrome, an "Incognito") browser window. This ensures you stay signed out of all your accounts, and each web search doesn't autocomplete the word you're typing. It's a guarantee that you won't be tempted into taking too many social breaks during the day.