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The Lexington Computer and Technology Group (LCTG) is a volunteer, no-cost, not-for-profit, just-for-fun-and-education organization that meets most Wednesdays from 10am to 11:30am to discuss a wide variety of technical issues. (Sometimes we meet at a different time, see this in the schedule below.) Meetings are open to anyone interested in the topic(s). The group has an email list (see how to join below) for announcements and discussions.

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The LCTG grew out of “The Computer Group” which existed prior to the opening of the Lexington Community Center, which is where we meet now.

Members of the group come from all walks of life, education, and previous experiences. Talks are presented by members of the group as well as outside experts on a variety topics of interest to the group. There is a schedule for future talks as well as a record of previous talks, below.

Many of the meetings feature an outside expert; others are led by group members. Time is set aside, approximately once a month, for short talks and for members to bring questions or problems to the membership. If you could present a topic of interest to the group, please contact us at info@LCTG.toku.us.

Members can be active, attending most of the meetings, or contributing to the discussion list, or can merely take advantage of the material being posted regarding our talks. There is no requirement for living in Lexington, and although the group started in the Lexington Senior Center there is no requirement to be a senior. The technical level of the talks varies considerably, making much of the material of interest to those with more modest technical abilities.

As of October 2022, we are back in the Lexington Community Center (LCC) as part of a Hybrid Meeting strategy. Most meetings are hybrid, meaning they are available to watch in-person in the LCC and also via Zoom. Most are recorded and posted on YouTube, check below for listings.
For remote participants, the Zoom connection information is provided in Meeting Announcements.

Speakers may request not to be recorded. Copyrighted materials and other unrelated portions of the presentation may be omitted from videos. URLs may be substituted and/or added.

If you would like to join a meeting via Zoom, you will need to join the group (see above) to get emails with the meeting connection information. For security reasons and the possibility the information may change, we do not post this here on this site so write us at info@LCTG.toku.us, or join the group so you'll get meeting notices – it's free and painless.

For further information contact group lead John Rudy at info@LCTG.toku.us (goes to John and others), john.rudy@alum.mit.edu (John only), or call John at 781-861-0402. We look forward to have you join us!

Join the main LCTG Email List

To receive notices of upcoming meetings and join discussions, send an email to LCTG-subscribe@toku.us and include in the body of your email:

Your full name
Town of Residence
Brief self-introduction and your interest in the group
Optionally, topic(s) of interest you might present or share at a group meeting

This email list is closely monitored to keep discussions on topic and prevent spam. For off-topic and lengthy discussions, see the Extended Discussions list, below.

To send a message to the list, address your email to: LCTG@lists.toku.us
Learn about the email list
See files from presentations year 2018 and earlier. More recent presentation files are included on this page, below.
See Yahoo group messages in raw form from 2010 to October 2019
Some useful websites contributed by group members
Potential topics the group is considering
Send us your suggestions for talks, videos, presentations, or how to make the group better
Learn about being a volunteer group email list Moderator Moderators intercept potential junk mail and handle new member requests. If you'd like to be a Moderator, it's not a difficult job and you'll help the group by volunteering, please let us know.

Join the Extended Discussions List

Sometimes members want to have extended or lengthy discussions on a topic or express their opinions. There is a separate, more open discussion list that you can use, the LCTG-Extended list.
To subscribe to the LCTG-Extended list, send an email to LCTG-Extended-subscribe@toku.us
And then to send a message to the list, send it to: LCTG-Extended@toku.us