It seems that one key feature of Facebook -– the ability to tag friends in status updates by using the “@” symbol –- has been broken since the social network rolled out a new publisher in conjunction with the new Facebook Questions product on Wednesday. In an e-mail to Mashable, Facebook says that the company is “working to fix the issue” and that it only affects users who have the new publisher enabled (like most major new features at Facebook, the rollout of Questions and the new publisher is a gradual one). We’ve noticed several other issues since the launch -– notably, our Facebook Page has been failing to display recent updates.

This series is brought to you by HTC EVO 4G , America’s first 4G phone. Only from Sprint.

Composing an e-mail is kind of like making out: Everyone assumes they know what they’re doing, but in reality plenty of people could use some pointers. We’re all pretty much constantly sending missives around the web. In 2009, worldwide e-mail traffic amounted to 247 billion messages per day, according to market research firm Radicati

Ivy Bean, who was widely considered to be the oldest Twitter user, died in her care home in a small town in England at the age of 104. The news was published on Bean’s Twitter account, @IvyBean104 , which regularly informed followers about Bean’s deteriorating condition over the last couple of days. “Ivy passed away peacefully at 12.08 this morning… Im sorry it took me so long to tell you but it was a very difficult thing to do,” the tweets said.

Ivy Bean, who was widely considered to be the oldest Twitter user, died in her care home in a small town in England at the age of 104. The news was published on Bean’s Twitter account, @IvyBean104 , which regularly informed followers about Bean’s deteriorating condition over the last couple of days.

This series is brought to you by HTC EVO 4G , America’s first 4G phone.

While it’s always a good idea to look forward and broaden your marketing mix when it comes to technology, a new study shows that expecting a huge, at-scale ROI from such cutting-edge location-based services as Foursquare might be a bit premature. Research given to us today by marketing and tech firm Forrester shows that only a tiny stratum of the population is consistently using Foursquare

Seesmic has just updated its Seesmic Web app to include support for Facebook and LinkedIn . The new version also includes a refined interface and a faster backend. Like HootSuite and Brizzly , Seesmic Web is a tool you can use to manage and monitor your social networks all from within the web browser.

A new Twitter setting called “Tweet Media” has rolled out to several Twitter users, strongly suggesting that the company will soon embed videos and photos into the stream.

It seems that Yelp is getting ready to implement a “daily deal” feature across the popular website; they’re beginning to test this feature in certain markets, notably Sacramento. After a few Yelp users noticed Groupon-like deals popping up on Yelp.com, the company’s community manager confirmed, “We are testing it out for fun to see what kind of response it generates… Also, there will be another Deal coming out on Wednesday so look for it!” Deals have been showing up for select users on the right side of the home page.