Because any technical skill set is highly sought out for. It's a way of distinguishing from other applicants.
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Seminar marketing offers several advantages. It allows a speaker to market products and services directly to an audience that has already demonstrated a desire to pay for educational experiences, and seminar marketing provides a great opportunity to reach a high-end business audience.
Just do it yourself. It's not that hard.
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"Webinar" is a neologism from the 1990s, blending "web" and "seminar" to describe a live, online educational or informational presentation.
A conference is a collaborative effort among peers or members of a group. A seminar is an educational meeting where outside experts or professionals may also present information, news, or commentary. The two may also be defined differently for tax purposes. For example, an accounting conference is subject to a 50% deduction classification on a tax return. A seminar, however, is considered educational, as part of personal professional development or continuing education, providing a 100% deduction on a tax return.