Daily Briefing, Feb. 19

The chain was hurt in part by McDonald’s offering breakfast throughout the day — with the impact particularly strong between 10:30 a.m. and noon.

Lots of people use

to get customer service from companies, particularly if the alternatives are cumbersome websites or voice mail hell.

[...] Twitter is making it easier to make parts of those exchanges private.

, the San Francisco company said businesses can now add a link in their tweets that displays a call-to-action button, letting the customer send the business a direct message that might contain sensitive information, such as an account number.

, Gmail said that people who use other services like

[...] can Gmailify their inboxes, meaning they can use such Gmail services as inbox organization and spam filtering without creating a Gmail account.

Gmail had already allowed users to access their e-mail from the other providers.

The Daily Briefing is compiled from San Francisco Chronicle staff and news services.