Juan Carlos PerezAssistant News Editor, IDG News Service

Juan Carlos Perez covers e-commerce, Google, Web application development, and cloud applications for the IDG News Service, and is based in Miami.

Twitter seeks boost in account followers with Follow Button

Twitter has developed a button that Web publishers can integrate into their sites to let visitors easily subscribe to Twitter accounts, the company said.

Gmail to display context data about contacts in inbox

Google is rolling out an interface module for Gmail that displays contextual information about people involved in a message's thread.

Google touts growth of e-book service and store

Google's eBooks electronic bookstore now contains about 3 million free titles, up from 2 million when it was launched in December.

Google's mobile Maps site adds features

Google has upgraded the mobile site for Maps, which is one of the company's most popular online services, adding features found on the version for desktop browsers.

Facebook tightens log-in verification

To help its hundreds of millions of users prevent unauthorized access to their accounts, Facebook has added an optional verification step to its log-in process.

Google to unify Android OS by year's end

Google gave Android developers several reasons to cheer on Tuesday with its announcement of new versions of the operating system, as well as the addition of music and movies to the Android Market.

YouTube launches full-length movie rentals

YouTube is now officially expanding into streaming full-length movies online for rent.

Google allows users to edit U.S. online map

Google's Map Maker, an online application that lets people annotate and add cartographic drawings to Google Maps, is finally available for the U.S.

Microsoft tests new Bing business portal

Microsoft has upgraded and renamed its Bing search engine's directory of local businesses, adding capabilities for owners to create, claim and manage their listings.

Experts: Google's +1 has minuses

Google's latest attempt to infuse its search engine with social networking elements appears underwhelming and its success is questionable, industry analysts say.

Privacy groups cheer FTC's action over Google Buzz

Privacy advocates cheered on Wednesday in response to the Federal Trade Commission's crackdown on Google over privacy violations resulting from the bungled launch of the Buzz social networking and microblogging service.

Google's Commerce Search adds search-as-you-type

Google's cloud-hosted search application for e-commerce sites has been upgraded with on-the-fly results that drop down from the query box as shoppers type their search terms.

Twitter product chief now Dorsey, Williams steps down

The game of musical chairs continues at Twitter, where co-founder and former CEO Evan Williams will step down as product development leader. Jack Dorsey, another co-founder who had distanced himself from Twitter's daily operations, will take over in the product development role.

Facebook wants your burning questions

The social networking service has begun rolling out a new feature in which users can post questions that their friends can answer.

Google Books settlement proposal rejected

A proposed agreement drafted by Google, authors and publishers to settle a long-running copyright dispute has been rejected by a U.S. judge, dealing a major setback to Google's plans to build a massive marketplace and library for digital books.