Every week, I will provide a round-up of social media updates and news that you might have missed. For this week, here are some of the exciting things that have been happening in the social media and tech world.

Facebook Finally Lets Page Admins Schedule Posts, Have Different Roles

Facebook now lets Page admins schedule posts. A new help center page from Facebook also outlines how brand pages can now dole out specific duties to multiple page admins, each with varying degrees of permissions.

Below is a table which explains what each role could do.

8% of Online Adults Use Twitter Every Day [STUDY] via Mashable

Of 2,253 U.S. online adults surveyed in a recent Pew study, 15% said they use Twitter. Among the same population, 8% said they use the service on a typical day day.

Growth in daily Twitter usage, by Pew’s measure, has grown 300% since November 2010 — outpacing growth in general Twitter usage, which increased 87.5% during the same time period.

Facebook Now Letting Users Pay to Promote Their Posts via TechLand

Facebook now has a bunch of investors who aren’t exactly popping champagne corks over the company’s falling stock price. That means the company has to start making more money off its 900 million users.

Hence new products like Highlight, the pay-to-promote service that Facebook users first started seeing in New Zealand. The feature, which let you “highlight” a post for $2, was a test to “gauge people’s interest in this method of sharing with their friends,” according to a Facebook spokesperson.

Salesforce Set to Snap Up Facebook Friend Buddy Media for More Than $800 Million via AllThingsD

Enterprise, meet social: Cloud-computing pioneer Salesforce.com is close to a deal to acquire Buddy Media, the five-year-old company that helps brands manage their Facebook presence.

Sources say the two companies have agreed to terms that will value Buddy Media at more than $800 million, but that the transaction hasn’t closed yet. People familiar with the deal say Buddy Media chose Salesforce’s offer over a competitive bid from Google and here’s why it makes sense.