There is some web tools for twitter advertisements.

Here is the list of Twitter Ads :

I search for twitter follow me icons. I found a web site which is listed 31 logos for this. I hope you’ll enjoy..

http://www.vincentabry.com/31-logos-et-boutons-pour-twitter-2480

Google Ad Manager

Google likes twitting and blogging. I posted Google Twitter list before. They sent a new announcement they create Google Ad Manager Blog and Google Ad Manager Twitter Page. 

 Here is the announcement;

To keep you up-to-date with the latest news from the Google Ad Manager team, we’re excited to announce the launch of the Google Ad Manager Blog and Twitter page!

The Ad Manager blog (googleadmanager.blogspot.com) is a place for you to turn to for the latest news, tips, and resources from an assortment of Googlers on the Ad Manager team. You can look forward to regular posts, so bookmark the link above and come back to visit often. You can also subscribe to our RSS feed (top right corner of the blog) so you never miss a post.

In addition to the blog, you can now follow Ad Manager (@googleadmanager) on Twitter to get daily, bite-sized updates from the Ad Manager team. If you have any suggestions for what you want to see, feel free to send an @reply to us.

Please note that since we want to make the Ad Manager blog and Twitter page as useful as possible to everyone following us, we can’t respond via the blog or Twitter to questions regarding individual Ad Manager accounts. Please continue to visit the Ad Manager Help Center and Help Forum to troubleshoot your specific issues.

Happy tweeting and blogging!
The Google Ad Manager Team

Google starts using twitter effectively. Here is the list of google’s twitter accounts.

twitter.com/Google – our central account
twitter.com/Blogger – for Blogger fans
twitter.com/GoogleCalendar – user tips & updates
twitter.com/GoogleImages – news, tips, tricks on our visual image search
twitter.com/GoogleNews – latest headlines via Google News
twitter.com/GoogleReader – from our feed reader team
twitter.com/iGoogle – news & notes from Google’s personalized homepage
twitter.com/GoogleStudents – news of interest to students using Google
twitter.com/YouTube – for YouTube fans
twitter.com/YouTubeES – en Espanol
twitter.com/GoogleAtWork – solutions for IT and workplace productivity

Geo-related
twitter.com/SketchUp – Google SketchUp news
twitter.com/3DWH – SketchUp’s 3D Warehouse
twitter.com/Modelyourtown – 3D modeling to build your favorite places
twitter.com/EarthOutreach – Earth & Maps tools for nonprofits & orgs
twitter.com/GoogleMaps – uses, tips, mashups
twitter.com/GoogleSkyMap -Android app for the night sky

Ads-related
twitter.com/AdSense – for online publishers
twitter.com/AdWordsHelper – looking out for AdWords questions and tech issues
twitter.com/AdWordsProSarah – Google Guide for AdWords Help Forum
twitter.com/GoogleAnalytics – insights for website effectiveness
twitter.com/GoogleAdBuilder – re building display ads
twitter.com/GoogleRetail – for retail advertisers
twitter.com/TechnologyUK – for U.K. tech advertisers
twitter.com/InsideAdWordsDE – for German AdWords customers
twitter.com/GoogleAgencyDE – for German ad agencies
twitter.com/AdSensePT – info for Portuguese-language publishers
twitter.com/AdWordsRussia – AdWords news & tips in Russian
twitter.com/DentroDeAdWords – Spanish updates from the Inside AdWords blog
twitter.com/AdWordsAPI – AdWords API tips

Developer & technical
twitter.com/GoogleResearch – from our research scientists
twitter.com/GoogleWMC – Google Webmaster Central
twitter.com/GoogleCode – latest updates for Google developer products
twitter.com/GoogleData – Data APIs provide a standard protocol for reading and writing web data
twitter.com/app_engine – web apps run on Google infrastructure
twitter.com/DataLiberation – our initiative for complete import/export of all data
twitter.com/GoogleMapsAPI – about using Google Maps embedded in websites
twitter.com/GoogleIO – Google’s largest annual developer event

Culture, People
twitter.com/googletalks – notes from our @Google speaker series
twitter.com/googlejobs – the voice of Google recruiters

Country or Region
twitter.com/googlearabia – news from the Google Arabia Blog*

Here is the list of Official Google Analytics and Google Website Optimizer personel lists in twitter.

Brett Crosby
twitter.com/brettc(@brettc)
Google Analytics Group Product Marketing Manager
Twitter bio: “One man brand”