ACM serves more than 75,000 computing professionals in more than 100 countries, with special interest groups (SIGs) on topics ranging from computer architecture to e-commerce. SIGs often sponsor conferences and produce e-newsletters.
With local chapters everywhere from Birmingham to Milwaukee, AITP helps IT executives, academics and students expand their industry knowledge and connect with peers.
For software developers creating products for use on a "try-before-you-buy" basis, ASP offers members-only newsgroups, help with development and marketing, and ways to connect with shareware brethren.